1/* SuperH SH64-specific support for 64-bit ELF 2 Copyright 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007 3 Free Software Foundation, Inc. 4 5 This file is part of BFD, the Binary File Descriptor library. 6 7 This program is free software; you can redistribute it and/or modify 8 it under the terms of the GNU General Public License as published by 9 the Free Software Foundation; either version 3 of the License, or 10 (at your option) any later version. 11 12 This program is distributed in the hope that it will be useful, 13 but WITHOUT ANY WARRANTY; without even the implied warranty of 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 GNU General Public License for more details. 16 17 You should have received a copy of the GNU General Public License 18 along with this program; if not, write to the Free Software 19 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, 20 MA 02110-1301, USA. */ 21 22#define SH64_ELF64 23 24#include "sysdep.h" 25#include "bfd.h" 26#include "bfdlink.h" 27#include "libbfd.h" 28#include "elf-bfd.h" 29#include "elf/sh.h" 30 31/* Add a suffix for datalabel indirection symbols. It must not match any 32 other symbols; user symbols with or without version or other 33 decoration. It must only be used internally and not emitted by any 34 means. */ 35#define DATALABEL_SUFFIX " DL" 36 37#define GOT_BIAS (-((long)-32768)) 38 39#define PLT_ENTRY_SIZE 64 40 41/* Return size of a PLT entry. */ 42#define elf_sh64_sizeof_plt(info) PLT_ENTRY_SIZE 43 44/* Return offset of the PLT0 address in an absolute PLT entry. */ 45#define elf_sh64_plt_plt0_offset(info) 32 46 47/* Return offset of the linker in PLT0 entry. */ 48#define elf_sh64_plt0_gotplt_offset(info) 0 49 50/* Return offset of the trampoline in PLT entry */ 51#define elf_sh64_plt_temp_offset(info) 33 /* Add one because it's SHmedia. */ 52 53/* Return offset of the symbol in PLT entry. */ 54#define elf_sh64_plt_symbol_offset(info) 0 55 56/* Return offset of the relocation in PLT entry. */ 57#define elf_sh64_plt_reloc_offset(info) (info->shared ? 52 : 44) 58 59#define ELF_DYNAMIC_INTERPRETER "/usr/lib/libc.so.1" 60 61/* The sh linker needs to keep track of the number of relocs that it 62 decides to copy in check_relocs for each symbol. This is so that 63 it can discard PC relative relocs if it doesn't need them when 64 linking with -Bsymbolic. We store the information in a field 65 extending the regular ELF linker hash table. */ 66 67/* This structure keeps track of the number of PC relative relocs we 68 have copied for a given symbol. */ 69 70struct elf_sh64_pcrel_relocs_copied 71{ 72 /* Next section. */ 73 struct elf_sh64_pcrel_relocs_copied *next; 74 /* A section in dynobj. */ 75 asection *section; 76 /* Number of relocs copied in this section. */ 77 bfd_size_type count; 78}; 79 80/* sh ELF linker hash entry. */ 81 82struct elf_sh64_link_hash_entry 83{ 84 struct elf_link_hash_entry root; 85 86 bfd_vma datalabel_got_offset; 87 88 /* Number of PC relative relocs copied for this symbol. */ 89 struct elf_sh64_pcrel_relocs_copied *pcrel_relocs_copied; 90}; 91 92/* sh ELF linker hash table. */ 93 94struct elf_sh64_link_hash_table 95{ 96 struct elf_link_hash_table root; 97}; 98 99/* Traverse an sh ELF linker hash table. */ 100 101#define sh64_elf64_link_hash_traverse(table, func, info) \ 102 (elf_link_hash_traverse \ 103 (&(table)->root, \ 104 (bfd_boolean (*) (struct elf_link_hash_entry *, void *)) (func), \ 105 (info))) 106 107/* Get the sh ELF linker hash table from a link_info structure. */ 108 109#define sh64_elf64_hash_table(p) \ 110 ((struct elf_sh64_link_hash_table *) ((p)->hash)) 111 112static bfd_reloc_status_type sh_elf64_ignore_reloc 113 (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **); 114static bfd_reloc_status_type sh_elf64_reloc 115 (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **); 116 117static reloc_howto_type sh_elf64_howto_table[] = { 118 /* No relocation. */ 119 HOWTO (R_SH_NONE, /* type */ 120 0, /* rightshift */ 121 0, /* size (0 = byte, 1 = short, 2 = long) */ 122 0, /* bitsize */ 123 FALSE, /* pc_relative */ 124 0, /* bitpos */ 125 complain_overflow_dont, /* complain_on_overflow */ 126 sh_elf64_ignore_reloc, /* special_function */ 127 "R_SH_NONE", /* name */ 128 FALSE, /* partial_inplace */ 129 0, /* src_mask */ 130 0, /* dst_mask */ 131 FALSE), /* pcrel_offset */ 132 133 /* 32 bit absolute relocation. Setting partial_inplace to TRUE and 134 src_mask to a non-zero value is similar to the COFF toolchain. */ 135 HOWTO (R_SH_DIR32, /* type */ 136 0, /* rightshift */ 137 2, /* size (0 = byte, 1 = short, 2 = long) */ 138 32, /* bitsize */ 139 FALSE, /* pc_relative */ 140 0, /* bitpos */ 141 complain_overflow_bitfield, /* complain_on_overflow */ 142 sh_elf64_reloc, /* special_function */ 143 "R_SH_DIR32", /* name */ 144 TRUE, /* partial_inplace */ 145 0xffffffff, /* src_mask */ 146 0xffffffff, /* dst_mask */ 147 FALSE), /* pcrel_offset */ 148 149 /* 32 bit PC relative relocation. */ 150 HOWTO (R_SH_REL32, /* type */ 151 0, /* rightshift */ 152 2, /* size (0 = byte, 1 = short, 2 = long) */ 153 32, /* bitsize */ 154 TRUE, /* pc_relative */ 155 0, /* bitpos */ 156 complain_overflow_signed, /* complain_on_overflow */ 157 sh_elf64_ignore_reloc, /* special_function */ 158 "R_SH_REL32", /* name */ 159 FALSE, /* partial_inplace */ 160 0, /* src_mask */ 161 0xffffffff, /* dst_mask */ 162 TRUE), /* pcrel_offset */ 163 164 /* For 32-bit sh, this is R_SH_DIR8WPN. */ 165 EMPTY_HOWTO (3), 166 167 /* For 32-bit sh, this is R_SH_IND12W. */ 168 EMPTY_HOWTO (4), 169 170 /* For 32-bit sh, this is R_SH_DIR8WPL. */ 171 EMPTY_HOWTO (5), 172 173 /* For 32-bit sh, this is R_SH_DIR8WPZ. */ 174 EMPTY_HOWTO (6), 175 176 /* For 32-bit sh, this is R_SH_DIR8BP. */ 177 EMPTY_HOWTO (7), 178 179 /* For 32-bit sh, this is R_SH_DIR8W. */ 180 EMPTY_HOWTO (8), 181 182 /* For 32-bit sh, this is R_SH_DIR8L. */ 183 EMPTY_HOWTO (9), 184 185 EMPTY_HOWTO (10), 186 EMPTY_HOWTO (11), 187 EMPTY_HOWTO (12), 188 EMPTY_HOWTO (13), 189 EMPTY_HOWTO (14), 190 EMPTY_HOWTO (15), 191 EMPTY_HOWTO (16), 192 EMPTY_HOWTO (17), 193 EMPTY_HOWTO (18), 194 EMPTY_HOWTO (19), 195 EMPTY_HOWTO (20), 196 EMPTY_HOWTO (21), 197 EMPTY_HOWTO (22), 198 EMPTY_HOWTO (23), 199 EMPTY_HOWTO (24), 200 201 /* The remaining relocs are a GNU extension used for relaxing. The 202 final pass of the linker never needs to do anything with any of 203 these relocs. Any required operations are handled by the 204 relaxation code. */ 205 206 /* A 16 bit switch table entry. This is generated for an expression 207 such as ``.word L1 - L2''. The offset holds the difference 208 between the reloc address and L2. */ 209 HOWTO (R_SH_SWITCH16, /* type */ 210 0, /* rightshift */ 211 1, /* size (0 = byte, 1 = short, 2 = long) */ 212 16, /* bitsize */ 213 FALSE, /* pc_relative */ 214 0, /* bitpos */ 215 complain_overflow_unsigned, /* complain_on_overflow */ 216 sh_elf64_ignore_reloc, /* special_function */ 217 "R_SH_SWITCH16", /* name */ 218 FALSE, /* partial_inplace */ 219 0, /* src_mask */ 220 0, /* dst_mask */ 221 TRUE), /* pcrel_offset */ 222 223 /* A 32 bit switch table entry. This is generated for an expression 224 such as ``.long L1 - L2''. The offset holds the difference 225 between the reloc address and L2. */ 226 HOWTO (R_SH_SWITCH32, /* type */ 227 0, /* rightshift */ 228 2, /* size (0 = byte, 1 = short, 2 = long) */ 229 32, /* bitsize */ 230 FALSE, /* pc_relative */ 231 0, /* bitpos */ 232 complain_overflow_unsigned, /* complain_on_overflow */ 233 sh_elf64_ignore_reloc, /* special_function */ 234 "R_SH_SWITCH32", /* name */ 235 FALSE, /* partial_inplace */ 236 0, /* src_mask */ 237 0, /* dst_mask */ 238 TRUE), /* pcrel_offset */ 239 240 /* For 32-bit sh, this is R_SH_USES. */ 241 EMPTY_HOWTO (27), 242 243 /* For 32-bit sh, this is R_SH_COUNT. */ 244 EMPTY_HOWTO (28), 245 246 /* For 32-bit sh, this is R_SH_ALIGN. FIXME: For linker relaxation, 247 this might be emitted. When linker relaxation is implemented, we 248 might want to use it. */ 249 EMPTY_HOWTO (29), 250 251 /* For 32-bit sh, this is R_SH_CODE. FIXME: For linker relaxation, 252 this might be emitted. When linker relaxation is implemented, we 253 might want to use it. */ 254 EMPTY_HOWTO (30), 255 256 /* For 32-bit sh, this is R_SH_DATA. FIXME: For linker relaxation, 257 this might be emitted. When linker relaxation is implemented, we 258 might want to use it. */ 259 EMPTY_HOWTO (31), 260 261 /* For 32-bit sh, this is R_SH_LABEL. FIXME: For linker relaxation, 262 this might be emitted. When linker relaxation is implemented, we 263 might want to use it. */ 264 EMPTY_HOWTO (32), 265 266 /* An 8 bit switch table entry. This is generated for an expression 267 such as ``.word L1 - L2''. The offset holds the difference 268 between the reloc address and L2. */ 269 HOWTO (R_SH_SWITCH8, /* type */ 270 0, /* rightshift */ 271 0, /* size (0 = byte, 1 = short, 2 = long) */ 272 8, /* bitsize */ 273 FALSE, /* pc_relative */ 274 0, /* bitpos */ 275 complain_overflow_unsigned, /* complain_on_overflow */ 276 sh_elf64_ignore_reloc, /* special_function */ 277 "R_SH_SWITCH8", /* name */ 278 FALSE, /* partial_inplace */ 279 0, /* src_mask */ 280 0, /* dst_mask */ 281 TRUE), /* pcrel_offset */ 282 283 /* GNU extension to record C++ vtable hierarchy */ 284 HOWTO (R_SH_GNU_VTINHERIT, /* type */ 285 0, /* rightshift */ 286 2, /* size (0 = byte, 1 = short, 2 = long) */ 287 0, /* bitsize */ 288 FALSE, /* pc_relative */ 289 0, /* bitpos */ 290 complain_overflow_dont, /* complain_on_overflow */ 291 NULL, /* special_function */ 292 "R_SH_GNU_VTINHERIT", /* name */ 293 FALSE, /* partial_inplace */ 294 0, /* src_mask */ 295 0, /* dst_mask */ 296 FALSE), /* pcrel_offset */ 297 298 /* GNU extension to record C++ vtable member usage */ 299 HOWTO (R_SH_GNU_VTENTRY, /* type */ 300 0, /* rightshift */ 301 2, /* size (0 = byte, 1 = short, 2 = long) */ 302 0, /* bitsize */ 303 FALSE, /* pc_relative */ 304 0, /* bitpos */ 305 complain_overflow_dont, /* complain_on_overflow */ 306 _bfd_elf_rel_vtable_reloc_fn, /* special_function */ 307 "R_SH_GNU_VTENTRY", /* name */ 308 FALSE, /* partial_inplace */ 309 0, /* src_mask */ 310 0, /* dst_mask */ 311 FALSE), /* pcrel_offset */ 312 313 /* For 32-bit sh, this is R_SH_LOOP_START. */ 314 EMPTY_HOWTO (36), 315 316 /* For 32-bit sh, this is R_SH_LOOP_END. */ 317 EMPTY_HOWTO (37), 318 319 EMPTY_HOWTO (38), 320 EMPTY_HOWTO (39), 321 EMPTY_HOWTO (40), 322 EMPTY_HOWTO (41), 323 EMPTY_HOWTO (42), 324 EMPTY_HOWTO (43), 325 EMPTY_HOWTO (44), 326 327 /* Used in SHLLI.L and SHLRI.L. */ 328 HOWTO (R_SH_DIR5U, /* type */ 329 0, /* rightshift */ 330 2, /* size (0 = byte, 1 = short, 2 = long) */ 331 5, /* bitsize */ 332 FALSE, /* pc_relative */ 333 10, /* bitpos */ 334 complain_overflow_unsigned, /* complain_on_overflow */ 335 bfd_elf_generic_reloc, /* special_function */ 336 "R_SH_DIR5U", /* name */ 337 FALSE, /* partial_inplace */ 338 0, /* src_mask */ 339 0xfc00, /* dst_mask */ 340 FALSE), /* pcrel_offset */ 341 342 /* Used in SHARI, SHLLI et al. */ 343 HOWTO (R_SH_DIR6U, /* type */ 344 0, /* rightshift */ 345 2, /* size (0 = byte, 1 = short, 2 = long) */ 346 6, /* bitsize */ 347 FALSE, /* pc_relative */ 348 10, /* bitpos */ 349 complain_overflow_unsigned, /* complain_on_overflow */ 350 bfd_elf_generic_reloc, /* special_function */ 351 "R_SH_DIR6U", /* name */ 352 FALSE, /* partial_inplace */ 353 0, /* src_mask */ 354 0xfc00, /* dst_mask */ 355 FALSE), /* pcrel_offset */ 356 357 /* Used in BxxI, LDHI.L et al. */ 358 HOWTO (R_SH_DIR6S, /* type */ 359 0, /* rightshift */ 360 2, /* size (0 = byte, 1 = short, 2 = long) */ 361 6, /* bitsize */ 362 FALSE, /* pc_relative */ 363 10, /* bitpos */ 364 complain_overflow_signed, /* complain_on_overflow */ 365 bfd_elf_generic_reloc, /* special_function */ 366 "R_SH_DIR6S", /* name */ 367 FALSE, /* partial_inplace */ 368 0, /* src_mask */ 369 0xfc00, /* dst_mask */ 370 FALSE), /* pcrel_offset */ 371 372 /* Used in ADDI, ANDI et al. */ 373 HOWTO (R_SH_DIR10S, /* type */ 374 0, /* rightshift */ 375 2, /* size (0 = byte, 1 = short, 2 = long) */ 376 10, /* bitsize */ 377 FALSE, /* pc_relative */ 378 10, /* bitpos */ 379 complain_overflow_signed, /* complain_on_overflow */ 380 bfd_elf_generic_reloc, /* special_function */ 381 "R_SH_DIR10S", /* name */ 382 FALSE, /* partial_inplace */ 383 0, /* src_mask */ 384 0xffc00, /* dst_mask */ 385 FALSE), /* pcrel_offset */ 386 387 /* Used in LD.UW, ST.W et al. */ 388 HOWTO (R_SH_DIR10SW, /* type */ 389 1, /* rightshift */ 390 2, /* size (0 = byte, 1 = short, 2 = long) */ 391 11, /* bitsize */ 392 FALSE, /* pc_relative */ 393 10, /* bitpos */ 394 complain_overflow_signed, /* complain_on_overflow */ 395 bfd_elf_generic_reloc, /* special_function */ 396 "R_SH_DIR10SW", /* name */ 397 FALSE, /* partial_inplace */ 398 0, /* src_mask */ 399 0xffc00, /* dst_mask */ 400 FALSE), /* pcrel_offset */ 401 402 /* Used in LD.L, FLD.S et al. */ 403 HOWTO (R_SH_DIR10SL, /* type */ 404 2, /* rightshift */ 405 2, /* size (0 = byte, 1 = short, 2 = long) */ 406 12, /* bitsize */ 407 FALSE, /* pc_relative */ 408 10, /* bitpos */ 409 complain_overflow_signed, /* complain_on_overflow */ 410 bfd_elf_generic_reloc, /* special_function */ 411 "R_SH_DIR10SL", /* name */ 412 FALSE, /* partial_inplace */ 413 0, /* src_mask */ 414 0xffc00, /* dst_mask */ 415 FALSE), /* pcrel_offset */ 416 417 /* Used in FLD.D, FST.P et al. */ 418 HOWTO (R_SH_DIR10SQ, /* type */ 419 3, /* rightshift */ 420 2, /* size (0 = byte, 1 = short, 2 = long) */ 421 13, /* bitsize */ 422 FALSE, /* pc_relative */ 423 10, /* bitpos */ 424 complain_overflow_signed, /* complain_on_overflow */ 425 bfd_elf_generic_reloc, /* special_function */ 426 "R_SH_DIR10SQ", /* name */ 427 FALSE, /* partial_inplace */ 428 0, /* src_mask */ 429 0xffc00, /* dst_mask */ 430 FALSE), /* pcrel_offset */ 431 432 EMPTY_HOWTO (52), 433 EMPTY_HOWTO (53), 434 EMPTY_HOWTO (54), 435 EMPTY_HOWTO (55), 436 EMPTY_HOWTO (56), 437 EMPTY_HOWTO (57), 438 EMPTY_HOWTO (58), 439 EMPTY_HOWTO (59), 440 EMPTY_HOWTO (60), 441 EMPTY_HOWTO (61), 442 EMPTY_HOWTO (62), 443 EMPTY_HOWTO (63), 444 EMPTY_HOWTO (64), 445 EMPTY_HOWTO (65), 446 EMPTY_HOWTO (66), 447 EMPTY_HOWTO (67), 448 EMPTY_HOWTO (68), 449 EMPTY_HOWTO (69), 450 EMPTY_HOWTO (70), 451 EMPTY_HOWTO (71), 452 EMPTY_HOWTO (72), 453 EMPTY_HOWTO (73), 454 EMPTY_HOWTO (74), 455 EMPTY_HOWTO (75), 456 EMPTY_HOWTO (76), 457 EMPTY_HOWTO (77), 458 EMPTY_HOWTO (78), 459 EMPTY_HOWTO (79), 460 EMPTY_HOWTO (80), 461 EMPTY_HOWTO (81), 462 EMPTY_HOWTO (82), 463 EMPTY_HOWTO (83), 464 EMPTY_HOWTO (84), 465 EMPTY_HOWTO (85), 466 EMPTY_HOWTO (86), 467 EMPTY_HOWTO (87), 468 EMPTY_HOWTO (88), 469 EMPTY_HOWTO (89), 470 EMPTY_HOWTO (90), 471 EMPTY_HOWTO (91), 472 EMPTY_HOWTO (92), 473 EMPTY_HOWTO (93), 474 EMPTY_HOWTO (94), 475 EMPTY_HOWTO (95), 476 EMPTY_HOWTO (96), 477 EMPTY_HOWTO (97), 478 EMPTY_HOWTO (98), 479 EMPTY_HOWTO (99), 480 EMPTY_HOWTO (100), 481 EMPTY_HOWTO (101), 482 EMPTY_HOWTO (102), 483 EMPTY_HOWTO (103), 484 EMPTY_HOWTO (104), 485 EMPTY_HOWTO (105), 486 EMPTY_HOWTO (106), 487 EMPTY_HOWTO (107), 488 EMPTY_HOWTO (108), 489 EMPTY_HOWTO (109), 490 EMPTY_HOWTO (110), 491 EMPTY_HOWTO (111), 492 EMPTY_HOWTO (112), 493 EMPTY_HOWTO (113), 494 EMPTY_HOWTO (114), 495 EMPTY_HOWTO (115), 496 EMPTY_HOWTO (116), 497 EMPTY_HOWTO (117), 498 EMPTY_HOWTO (118), 499 EMPTY_HOWTO (119), 500 EMPTY_HOWTO (120), 501 EMPTY_HOWTO (121), 502 EMPTY_HOWTO (122), 503 EMPTY_HOWTO (123), 504 EMPTY_HOWTO (124), 505 EMPTY_HOWTO (125), 506 EMPTY_HOWTO (126), 507 EMPTY_HOWTO (127), 508 EMPTY_HOWTO (128), 509 EMPTY_HOWTO (129), 510 EMPTY_HOWTO (130), 511 EMPTY_HOWTO (131), 512 EMPTY_HOWTO (132), 513 EMPTY_HOWTO (133), 514 EMPTY_HOWTO (134), 515 EMPTY_HOWTO (135), 516 EMPTY_HOWTO (136), 517 EMPTY_HOWTO (137), 518 EMPTY_HOWTO (138), 519 EMPTY_HOWTO (139), 520 EMPTY_HOWTO (140), 521 EMPTY_HOWTO (141), 522 EMPTY_HOWTO (142), 523 EMPTY_HOWTO (143), 524 EMPTY_HOWTO (144), 525 EMPTY_HOWTO (145), 526 EMPTY_HOWTO (146), 527 EMPTY_HOWTO (147), 528 EMPTY_HOWTO (148), 529 EMPTY_HOWTO (149), 530 EMPTY_HOWTO (150), 531 EMPTY_HOWTO (151), 532 EMPTY_HOWTO (152), 533 EMPTY_HOWTO (153), 534 EMPTY_HOWTO (154), 535 EMPTY_HOWTO (155), 536 EMPTY_HOWTO (156), 537 EMPTY_HOWTO (157), 538 EMPTY_HOWTO (158), 539 EMPTY_HOWTO (159), 540 541 /* Relocs for dynamic linking for 32-bit SH would follow. We don't have 542 any dynamic linking support for 64-bit SH at present. */ 543 544 EMPTY_HOWTO (160), 545 EMPTY_HOWTO (161), 546 EMPTY_HOWTO (162), 547 EMPTY_HOWTO (163), 548 EMPTY_HOWTO (164), 549 EMPTY_HOWTO (165), 550 EMPTY_HOWTO (166), 551 EMPTY_HOWTO (167), 552 EMPTY_HOWTO (168), 553 554 /* Back to SH5 relocations. */ 555 /* Used in MOVI and SHORI (x & 65536). */ 556 HOWTO (R_SH_GOT_LOW16, /* type */ 557 0, /* rightshift */ 558 2, /* size (0 = byte, 1 = short, 2 = long) */ 559 64, /* bitsize */ 560 FALSE, /* pc_relative */ 561 10, /* bitpos */ 562 complain_overflow_dont, /* complain_on_overflow */ 563 bfd_elf_generic_reloc, /* special_function */ 564 "R_SH_GOT_LOW16", /* name */ 565 FALSE, /* partial_inplace */ 566 0, /* src_mask */ 567 0x3fffc00, /* dst_mask */ 568 FALSE), /* pcrel_offset */ 569 570 /* Used in MOVI and SHORI ((x >> 16) & 65536). */ 571 HOWTO (R_SH_GOT_MEDLOW16, /* type */ 572 16, /* rightshift */ 573 2, /* size (0 = byte, 1 = short, 2 = long) */ 574 64, /* bitsize */ 575 FALSE, /* pc_relative */ 576 10, /* bitpos */ 577 complain_overflow_dont, /* complain_on_overflow */ 578 bfd_elf_generic_reloc, /* special_function */ 579 "R_SH_GOT_MEDLOW16", /* name */ 580 FALSE, /* partial_inplace */ 581 0, /* src_mask */ 582 0x3fffc00, /* dst_mask */ 583 FALSE), /* pcrel_offset */ 584 585 /* Used in MOVI and SHORI ((x >> 32) & 65536). */ 586 HOWTO (R_SH_GOT_MEDHI16, /* type */ 587 32, /* rightshift */ 588 2, /* size (0 = byte, 1 = short, 2 = long) */ 589 64, /* bitsize */ 590 FALSE, /* pc_relative */ 591 10, /* bitpos */ 592 complain_overflow_dont, /* complain_on_overflow */ 593 bfd_elf_generic_reloc, /* special_function */ 594 "R_SH_GOT_MEDHI16", /* name */ 595 FALSE, /* partial_inplace */ 596 0, /* src_mask */ 597 0x3fffc00, /* dst_mask */ 598 FALSE), /* pcrel_offset */ 599 600 /* Used in MOVI and SHORI ((x >> 48) & 65536). */ 601 HOWTO (R_SH_GOT_HI16, /* type */ 602 48, /* rightshift */ 603 2, /* size (0 = byte, 1 = short, 2 = long) */ 604 64, /* bitsize */ 605 FALSE, /* pc_relative */ 606 10, /* bitpos */ 607 complain_overflow_dont, /* complain_on_overflow */ 608 bfd_elf_generic_reloc, /* special_function */ 609 "R_SH_GOT_HI16", /* name */ 610 FALSE, /* partial_inplace */ 611 0, /* src_mask */ 612 0x3fffc00, /* dst_mask */ 613 FALSE), /* pcrel_offset */ 614 615 /* Used in MOVI and SHORI (x & 65536). */ 616 HOWTO (R_SH_GOTPLT_LOW16, /* type */ 617 0, /* rightshift */ 618 2, /* size (0 = byte, 1 = short, 2 = long) */ 619 64, /* bitsize */ 620 FALSE, /* pc_relative */ 621 10, /* bitpos */ 622 complain_overflow_dont, /* complain_on_overflow */ 623 bfd_elf_generic_reloc, /* special_function */ 624 "R_SH_GOTPLT_LOW16", /* name */ 625 FALSE, /* partial_inplace */ 626 0, /* src_mask */ 627 0x3fffc00, /* dst_mask */ 628 FALSE), /* pcrel_offset */ 629 630 /* Used in MOVI and SHORI ((x >> 16) & 65536). */ 631 HOWTO (R_SH_GOTPLT_MEDLOW16, /* type */ 632 16, /* rightshift */ 633 2, /* size (0 = byte, 1 = short, 2 = long) */ 634 64, /* bitsize */ 635 FALSE, /* pc_relative */ 636 10, /* bitpos */ 637 complain_overflow_dont, /* complain_on_overflow */ 638 bfd_elf_generic_reloc, /* special_function */ 639 "R_SH_GOTPLT_MEDLOW16", /* name */ 640 FALSE, /* partial_inplace */ 641 0, /* src_mask */ 642 0x3fffc00, /* dst_mask */ 643 FALSE), /* pcrel_offset */ 644 645 /* Used in MOVI and SHORI ((x >> 32) & 65536). */ 646 HOWTO (R_SH_GOTPLT_MEDHI16, /* type */ 647 32, /* rightshift */ 648 2, /* size (0 = byte, 1 = short, 2 = long) */ 649 64, /* bitsize */ 650 FALSE, /* pc_relative */ 651 10, /* bitpos */ 652 complain_overflow_dont, /* complain_on_overflow */ 653 bfd_elf_generic_reloc, /* special_function */ 654 "R_SH_GOTPLT_MEDHI16", /* name */ 655 FALSE, /* partial_inplace */ 656 0, /* src_mask */ 657 0x3fffc00, /* dst_mask */ 658 FALSE), /* pcrel_offset */ 659 660 /* Used in MOVI and SHORI ((x >> 48) & 65536). */ 661 HOWTO (R_SH_GOTPLT_HI16, /* type */ 662 48, /* rightshift */ 663 2, /* size (0 = byte, 1 = short, 2 = long) */ 664 64, /* bitsize */ 665 FALSE, /* pc_relative */ 666 10, /* bitpos */ 667 complain_overflow_dont, /* complain_on_overflow */ 668 bfd_elf_generic_reloc, /* special_function */ 669 "R_SH_GOTPLT_HI16", /* name */ 670 FALSE, /* partial_inplace */ 671 0, /* src_mask */ 672 0x3fffc00, /* dst_mask */ 673 FALSE), /* pcrel_offset */ 674 675 /* Used in MOVI and SHORI (x & 65536). */ 676 HOWTO (R_SH_PLT_LOW16, /* type */ 677 0, /* rightshift */ 678 2, /* size (0 = byte, 1 = short, 2 = long) */ 679 64, /* bitsize */ 680 TRUE, /* pc_relative */ 681 10, /* bitpos */ 682 complain_overflow_dont, /* complain_on_overflow */ 683 bfd_elf_generic_reloc, /* special_function */ 684 "R_SH_PLT_LOW16", /* name */ 685 FALSE, /* partial_inplace */ 686 0, /* src_mask */ 687 0x3fffc00, /* dst_mask */ 688 TRUE), /* pcrel_offset */ 689 690 /* Used in MOVI and SHORI ((x >> 16) & 65536). */ 691 HOWTO (R_SH_PLT_MEDLOW16, /* type */ 692 16, /* rightshift */ 693 2, /* size (0 = byte, 1 = short, 2 = long) */ 694 64, /* bitsize */ 695 TRUE, /* pc_relative */ 696 10, /* bitpos */ 697 complain_overflow_dont, /* complain_on_overflow */ 698 bfd_elf_generic_reloc, /* special_function */ 699 "R_SH_PLT_MEDLOW16", /* name */ 700 FALSE, /* partial_inplace */ 701 0, /* src_mask */ 702 0x3fffc00, /* dst_mask */ 703 TRUE), /* pcrel_offset */ 704 705 /* Used in MOVI and SHORI ((x >> 32) & 65536). */ 706 HOWTO (R_SH_PLT_MEDHI16, /* type */ 707 32, /* rightshift */ 708 2, /* size (0 = byte, 1 = short, 2 = long) */ 709 64, /* bitsize */ 710 TRUE, /* pc_relative */ 711 10, /* bitpos */ 712 complain_overflow_dont, /* complain_on_overflow */ 713 bfd_elf_generic_reloc, /* special_function */ 714 "R_SH_PLT_MEDHI16", /* name */ 715 FALSE, /* partial_inplace */ 716 0, /* src_mask */ 717 0x3fffc00, /* dst_mask */ 718 TRUE), /* pcrel_offset */ 719 720 /* Used in MOVI and SHORI ((x >> 48) & 65536). */ 721 HOWTO (R_SH_PLT_HI16, /* type */ 722 48, /* rightshift */ 723 2, /* size (0 = byte, 1 = short, 2 = long) */ 724 64, /* bitsize */ 725 TRUE, /* pc_relative */ 726 10, /* bitpos */ 727 complain_overflow_dont, /* complain_on_overflow */ 728 bfd_elf_generic_reloc, /* special_function */ 729 "R_SH_PLT_HI16", /* name */ 730 FALSE, /* partial_inplace */ 731 0, /* src_mask */ 732 0x3fffc00, /* dst_mask */ 733 TRUE), /* pcrel_offset */ 734 735 /* Used in MOVI and SHORI (x & 65536). */ 736 HOWTO (R_SH_GOTOFF_LOW16, /* type */ 737 0, /* rightshift */ 738 2, /* size (0 = byte, 1 = short, 2 = long) */ 739 64, /* bitsize */ 740 FALSE, /* pc_relative */ 741 10, /* bitpos */ 742 complain_overflow_dont, /* complain_on_overflow */ 743 bfd_elf_generic_reloc, /* special_function */ 744 "R_SH_GOTOFF_LOW16", /* name */ 745 FALSE, /* partial_inplace */ 746 0, /* src_mask */ 747 0x3fffc00, /* dst_mask */ 748 FALSE), /* pcrel_offset */ 749 750 /* Used in MOVI and SHORI ((x >> 16) & 65536). */ 751 HOWTO (R_SH_GOTOFF_MEDLOW16, /* type */ 752 16, /* rightshift */ 753 2, /* size (0 = byte, 1 = short, 2 = long) */ 754 64, /* bitsize */ 755 FALSE, /* pc_relative */ 756 10, /* bitpos */ 757 complain_overflow_dont, /* complain_on_overflow */ 758 bfd_elf_generic_reloc, /* special_function */ 759 "R_SH_GOTOFF_MEDLOW16", /* name */ 760 FALSE, /* partial_inplace */ 761 0, /* src_mask */ 762 0x3fffc00, /* dst_mask */ 763 FALSE), /* pcrel_offset */ 764 765 /* Used in MOVI and SHORI ((x >> 32) & 65536). */ 766 HOWTO (R_SH_GOTOFF_MEDHI16, /* type */ 767 32, /* rightshift */ 768 2, /* size (0 = byte, 1 = short, 2 = long) */ 769 64, /* bitsize */ 770 FALSE, /* pc_relative */ 771 10, /* bitpos */ 772 complain_overflow_dont, /* complain_on_overflow */ 773 bfd_elf_generic_reloc, /* special_function */ 774 "R_SH_GOTOFF_MEDHI16", /* name */ 775 FALSE, /* partial_inplace */ 776 0, /* src_mask */ 777 0x3fffc00, /* dst_mask */ 778 FALSE), /* pcrel_offset */ 779 780 /* Used in MOVI and SHORI ((x >> 48) & 65536). */ 781 HOWTO (R_SH_GOTOFF_HI16, /* type */ 782 48, /* rightshift */ 783 2, /* size (0 = byte, 1 = short, 2 = long) */ 784 64, /* bitsize */ 785 FALSE, /* pc_relative */ 786 10, /* bitpos */ 787 complain_overflow_dont, /* complain_on_overflow */ 788 bfd_elf_generic_reloc, /* special_function */ 789 "R_SH_GOTOFF_HI16", /* name */ 790 FALSE, /* partial_inplace */ 791 0, /* src_mask */ 792 0x3fffc00, /* dst_mask */ 793 FALSE), /* pcrel_offset */ 794 795 /* Used in MOVI and SHORI (x & 65536). */ 796 HOWTO (R_SH_GOTPC_LOW16, /* type */ 797 0, /* rightshift */ 798 2, /* size (0 = byte, 1 = short, 2 = long) */ 799 64, /* bitsize */ 800 TRUE, /* pc_relative */ 801 10, /* bitpos */ 802 complain_overflow_dont, /* complain_on_overflow */ 803 bfd_elf_generic_reloc, /* special_function */ 804 "R_SH_GOTPC_LOW16", /* name */ 805 FALSE, /* partial_inplace */ 806 0, /* src_mask */ 807 0x3fffc00, /* dst_mask */ 808 TRUE), /* pcrel_offset */ 809 810 /* Used in MOVI and SHORI ((x >> 16) & 65536). */ 811 HOWTO (R_SH_GOTPC_MEDLOW16, /* type */ 812 16, /* rightshift */ 813 2, /* size (0 = byte, 1 = short, 2 = long) */ 814 64, /* bitsize */ 815 TRUE, /* pc_relative */ 816 10, /* bitpos */ 817 complain_overflow_dont, /* complain_on_overflow */ 818 bfd_elf_generic_reloc, /* special_function */ 819 "R_SH_GOTPC_MEDLOW16", /* name */ 820 FALSE, /* partial_inplace */ 821 0, /* src_mask */ 822 0x3fffc00, /* dst_mask */ 823 TRUE), /* pcrel_offset */ 824 825 /* Used in MOVI and SHORI ((x >> 32) & 65536). */ 826 HOWTO (R_SH_GOTPC_MEDHI16, /* type */ 827 32, /* rightshift */ 828 2, /* size (0 = byte, 1 = short, 2 = long) */ 829 64, /* bitsize */ 830 TRUE, /* pc_relative */ 831 10, /* bitpos */ 832 complain_overflow_dont, /* complain_on_overflow */ 833 bfd_elf_generic_reloc, /* special_function */ 834 "R_SH_GOTPC_MEDHI16", /* name */ 835 FALSE, /* partial_inplace */ 836 0, /* src_mask */ 837 0x3fffc00, /* dst_mask */ 838 TRUE), /* pcrel_offset */ 839 840 /* Used in MOVI and SHORI ((x >> 48) & 65536). */ 841 HOWTO (R_SH_GOTPC_HI16, /* type */ 842 48, /* rightshift */ 843 2, /* size (0 = byte, 1 = short, 2 = long) */ 844 64, /* bitsize */ 845 TRUE, /* pc_relative */ 846 10, /* bitpos */ 847 complain_overflow_dont, /* complain_on_overflow */ 848 bfd_elf_generic_reloc, /* special_function */ 849 "R_SH_GOTPC_HI16", /* name */ 850 FALSE, /* partial_inplace */ 851 0, /* src_mask */ 852 0x3fffc00, /* dst_mask */ 853 TRUE), /* pcrel_offset */ 854 855 /* Used in LD.L, FLD.S et al. */ 856 HOWTO (R_SH_GOT10BY4, /* type */ 857 2, /* rightshift */ 858 2, /* size (0 = byte, 1 = short, 2 = long) */ 859 12, /* bitsize */ 860 FALSE, /* pc_relative */ 861 10, /* bitpos */ 862 complain_overflow_signed, /* complain_on_overflow */ 863 bfd_elf_generic_reloc, /* special_function */ 864 "R_SH_GOT10BY4", /* name */ 865 FALSE, /* partial_inplace */ 866 0, /* src_mask */ 867 0xffc00, /* dst_mask */ 868 FALSE), /* pcrel_offset */ 869 870 /* Used in LD.L, FLD.S et al. */ 871 HOWTO (R_SH_GOTPLT10BY4, /* type */ 872 2, /* rightshift */ 873 2, /* size (0 = byte, 1 = short, 2 = long) */ 874 12, /* bitsize */ 875 FALSE, /* pc_relative */ 876 10, /* bitpos */ 877 complain_overflow_signed, /* complain_on_overflow */ 878 bfd_elf_generic_reloc, /* special_function */ 879 "R_SH_GOTPLT10BY4", /* name */ 880 FALSE, /* partial_inplace */ 881 0, /* src_mask */ 882 0xffc00, /* dst_mask */ 883 FALSE), /* pcrel_offset */ 884 885 /* Used in FLD.D, FST.P et al. */ 886 HOWTO (R_SH_GOT10BY8, /* type */ 887 3, /* rightshift */ 888 2, /* size (0 = byte, 1 = short, 2 = long) */ 889 13, /* bitsize */ 890 FALSE, /* pc_relative */ 891 10, /* bitpos */ 892 complain_overflow_signed, /* complain_on_overflow */ 893 bfd_elf_generic_reloc, /* special_function */ 894 "R_SH_GOT10BY8", /* name */ 895 FALSE, /* partial_inplace */ 896 0, /* src_mask */ 897 0xffc00, /* dst_mask */ 898 FALSE), /* pcrel_offset */ 899 900 /* Used in FLD.D, FST.P et al. */ 901 HOWTO (R_SH_GOTPLT10BY8, /* type */ 902 3, /* rightshift */ 903 2, /* size (0 = byte, 1 = short, 2 = long) */ 904 13, /* bitsize */ 905 FALSE, /* pc_relative */ 906 10, /* bitpos */ 907 complain_overflow_signed, /* complain_on_overflow */ 908 bfd_elf_generic_reloc, /* special_function */ 909 "R_SH_GOTPLT10BY8", /* name */ 910 FALSE, /* partial_inplace */ 911 0, /* src_mask */ 912 0xffc00, /* dst_mask */ 913 FALSE), /* pcrel_offset */ 914 915 HOWTO (R_SH_COPY64, /* type */ 916 0, /* rightshift */ 917 4, /* size (0 = byte, 1 = short, 2 = long) */ 918 64, /* bitsize */ 919 FALSE, /* pc_relative */ 920 0, /* bitpos */ 921 complain_overflow_dont, /* complain_on_overflow */ 922 bfd_elf_generic_reloc, /* special_function */ 923 "R_SH_COPY64", /* name */ 924 FALSE, /* partial_inplace */ 925 0, /* src_mask */ 926 ((bfd_vma) 0) - 1, /* dst_mask */ 927 FALSE), /* pcrel_offset */ 928 929 HOWTO (R_SH_GLOB_DAT64, /* type */ 930 0, /* rightshift */ 931 4, /* size (0 = byte, 1 = short, 2 = long) */ 932 64, /* bitsize */ 933 FALSE, /* pc_relative */ 934 0, /* bitpos */ 935 complain_overflow_dont, /* complain_on_overflow */ 936 bfd_elf_generic_reloc, /* special_function */ 937 "R_SH_GLOB_DAT64", /* name */ 938 FALSE, /* partial_inplace */ 939 0, /* src_mask */ 940 ((bfd_vma) 0) - 1, /* dst_mask */ 941 FALSE), /* pcrel_offset */ 942 943 HOWTO (R_SH_JMP_SLOT64, /* type */ 944 0, /* rightshift */ 945 4, /* size (0 = byte, 1 = short, 2 = long) */ 946 64, /* bitsize */ 947 FALSE, /* pc_relative */ 948 0, /* bitpos */ 949 complain_overflow_dont, /* complain_on_overflow */ 950 bfd_elf_generic_reloc, /* special_function */ 951 "R_SH_JMP_SLOT64", /* name */ 952 FALSE, /* partial_inplace */ 953 0, /* src_mask */ 954 ((bfd_vma) 0) - 1, /* dst_mask */ 955 FALSE), /* pcrel_offset */ 956 957 HOWTO (R_SH_RELATIVE64, /* type */ 958 0, /* rightshift */ 959 4, /* size (0 = byte, 1 = short, 2 = long) */ 960 64, /* bitsize */ 961 FALSE, /* pc_relative */ 962 0, /* bitpos */ 963 complain_overflow_dont, /* complain_on_overflow */ 964 bfd_elf_generic_reloc, /* special_function */ 965 "R_SH_RELATIVE64", /* name */ 966 FALSE, /* partial_inplace */ 967 0, /* src_mask */ 968 ((bfd_vma) 0) - 1, /* dst_mask */ 969 FALSE), /* pcrel_offset */ 970 971 EMPTY_HOWTO (197), 972 EMPTY_HOWTO (198), 973 EMPTY_HOWTO (199), 974 EMPTY_HOWTO (200), 975 EMPTY_HOWTO (201), 976 EMPTY_HOWTO (202), 977 EMPTY_HOWTO (203), 978 EMPTY_HOWTO (204), 979 EMPTY_HOWTO (205), 980 EMPTY_HOWTO (206), 981 EMPTY_HOWTO (207), 982 EMPTY_HOWTO (208), 983 EMPTY_HOWTO (209), 984 EMPTY_HOWTO (210), 985 EMPTY_HOWTO (211), 986 EMPTY_HOWTO (212), 987 EMPTY_HOWTO (213), 988 EMPTY_HOWTO (214), 989 EMPTY_HOWTO (215), 990 EMPTY_HOWTO (216), 991 EMPTY_HOWTO (217), 992 EMPTY_HOWTO (218), 993 EMPTY_HOWTO (219), 994 EMPTY_HOWTO (220), 995 EMPTY_HOWTO (221), 996 EMPTY_HOWTO (222), 997 EMPTY_HOWTO (223), 998 EMPTY_HOWTO (224), 999 EMPTY_HOWTO (225), 1000 EMPTY_HOWTO (226), 1001 EMPTY_HOWTO (227), 1002 EMPTY_HOWTO (228), 1003 EMPTY_HOWTO (229), 1004 EMPTY_HOWTO (230), 1005 EMPTY_HOWTO (231), 1006 EMPTY_HOWTO (232), 1007 EMPTY_HOWTO (233), 1008 EMPTY_HOWTO (234), 1009 EMPTY_HOWTO (235), 1010 EMPTY_HOWTO (236), 1011 EMPTY_HOWTO (237), 1012 EMPTY_HOWTO (238), 1013 EMPTY_HOWTO (239), 1014 EMPTY_HOWTO (240), 1015 EMPTY_HOWTO (241), 1016 1017 /* Relocations for SHmedia code. None of these are partial_inplace or 1018 use the field being relocated. */ 1019 1020 /* The assembler will generate this reloc before a block of SHmedia 1021 instructions. A section should be processed as assuming it contains 1022 data, unless this reloc is seen. Note that a block of SHcompact 1023 instructions are instead preceded by R_SH_CODE. 1024 This is currently not implemented, but should be used for SHmedia 1025 linker relaxation. */ 1026 HOWTO (R_SH_SHMEDIA_CODE, /* type */ 1027 0, /* rightshift */ 1028 1, /* size (0 = byte, 1 = short, 2 = long) */ 1029 0, /* bitsize */ 1030 FALSE, /* pc_relative */ 1031 0, /* bitpos */ 1032 complain_overflow_unsigned, /* complain_on_overflow */ 1033 sh_elf64_ignore_reloc, /* special_function */ 1034 "R_SH_SHMEDIA_CODE", /* name */ 1035 FALSE, /* partial_inplace */ 1036 0, /* src_mask */ 1037 0, /* dst_mask */ 1038 FALSE), /* pcrel_offset */ 1039 1040 /* The assembler will generate this reloc at a PTA or PTB instruction, 1041 and the linker checks the right type of target, or changes a PTA to a 1042 PTB, if the original insn was PT. */ 1043 HOWTO (R_SH_PT_16, /* type */ 1044 2, /* rightshift */ 1045 2, /* size (0 = byte, 1 = short, 2 = long) */ 1046 18, /* bitsize */ 1047 TRUE, /* pc_relative */ 1048 10, /* bitpos */ 1049 complain_overflow_signed, /* complain_on_overflow */ 1050 bfd_elf_generic_reloc, /* special_function */ 1051 "R_SH_PT_16", /* name */ 1052 FALSE, /* partial_inplace */ 1053 0, /* src_mask */ 1054 0x3fffc00, /* dst_mask */ 1055 TRUE), /* pcrel_offset */ 1056 1057 /* Used in unexpanded MOVI. */ 1058 HOWTO (R_SH_IMMS16, /* type */ 1059 0, /* rightshift */ 1060 2, /* size (0 = byte, 1 = short, 2 = long) */ 1061 16, /* bitsize */ 1062 FALSE, /* pc_relative */ 1063 10, /* bitpos */ 1064 complain_overflow_signed, /* complain_on_overflow */ 1065 bfd_elf_generic_reloc, /* special_function */ 1066 "R_SH_IMMS16", /* name */ 1067 FALSE, /* partial_inplace */ 1068 0, /* src_mask */ 1069 0x3fffc00, /* dst_mask */ 1070 FALSE), /* pcrel_offset */ 1071 1072 /* Used in SHORI. */ 1073 HOWTO (R_SH_IMMU16, /* type */ 1074 0, /* rightshift */ 1075 2, /* size (0 = byte, 1 = short, 2 = long) */ 1076 16, /* bitsize */ 1077 FALSE, /* pc_relative */ 1078 10, /* bitpos */ 1079 complain_overflow_unsigned, /* complain_on_overflow */ 1080 bfd_elf_generic_reloc, /* special_function */ 1081 "R_SH_IMMU16", /* name */ 1082 FALSE, /* partial_inplace */ 1083 0, /* src_mask */ 1084 0x3fffc00, /* dst_mask */ 1085 FALSE), /* pcrel_offset */ 1086 1087 /* Used in MOVI and SHORI (x & 65536). */ 1088 HOWTO (R_SH_IMM_LOW16, /* type */ 1089 0, /* rightshift */ 1090 2, /* size (0 = byte, 1 = short, 2 = long) */ 1091 64, /* bitsize */ 1092 FALSE, /* pc_relative */ 1093 10, /* bitpos */ 1094 complain_overflow_dont, /* complain_on_overflow */ 1095 bfd_elf_generic_reloc, /* special_function */ 1096 "R_SH_IMM_LOW16", /* name */ 1097 FALSE, /* partial_inplace */ 1098 0, /* src_mask */ 1099 0x3fffc00, /* dst_mask */ 1100 FALSE), /* pcrel_offset */ 1101 1102 /* Used in MOVI and SHORI ((x - $) & 65536). */ 1103 HOWTO (R_SH_IMM_LOW16_PCREL, /* type */ 1104 0, /* rightshift */ 1105 2, /* size (0 = byte, 1 = short, 2 = long) */ 1106 64, /* bitsize */ 1107 TRUE, /* pc_relative */ 1108 10, /* bitpos */ 1109 complain_overflow_dont, /* complain_on_overflow */ 1110 bfd_elf_generic_reloc, /* special_function */ 1111 "R_SH_IMM_LOW16_PCREL", /* name */ 1112 FALSE, /* partial_inplace */ 1113 0, /* src_mask */ 1114 0x3fffc00, /* dst_mask */ 1115 TRUE), /* pcrel_offset */ 1116 1117 /* Used in MOVI and SHORI ((x >> 16) & 65536). */ 1118 HOWTO (R_SH_IMM_MEDLOW16, /* type */ 1119 16, /* rightshift */ 1120 2, /* size (0 = byte, 1 = short, 2 = long) */ 1121 64, /* bitsize */ 1122 FALSE, /* pc_relative */ 1123 10, /* bitpos */ 1124 complain_overflow_dont, /* complain_on_overflow */ 1125 bfd_elf_generic_reloc, /* special_function */ 1126 "R_SH_IMM_MEDLOW16", /* name */ 1127 FALSE, /* partial_inplace */ 1128 0, /* src_mask */ 1129 0x3fffc00, /* dst_mask */ 1130 FALSE), /* pcrel_offset */ 1131 1132 /* Used in MOVI and SHORI (((x - $) >> 16) & 65536). */ 1133 HOWTO (R_SH_IMM_MEDLOW16_PCREL, /* type */ 1134 16, /* rightshift */ 1135 2, /* size (0 = byte, 1 = short, 2 = long) */ 1136 64, /* bitsize */ 1137 TRUE, /* pc_relative */ 1138 10, /* bitpos */ 1139 complain_overflow_dont, /* complain_on_overflow */ 1140 bfd_elf_generic_reloc, /* special_function */ 1141 "R_SH_IMM_MEDLOW16_PCREL", /* name */ 1142 FALSE, /* partial_inplace */ 1143 0, /* src_mask */ 1144 0x3fffc00, /* dst_mask */ 1145 TRUE), /* pcrel_offset */ 1146 1147 /* Used in MOVI and SHORI ((x >> 32) & 65536). */ 1148 HOWTO (R_SH_IMM_MEDHI16, /* type */ 1149 32, /* rightshift */ 1150 2, /* size (0 = byte, 1 = short, 2 = long) */ 1151 64, /* bitsize */ 1152 FALSE, /* pc_relative */ 1153 10, /* bitpos */ 1154 complain_overflow_dont, /* complain_on_overflow */ 1155 bfd_elf_generic_reloc, /* special_function */ 1156 "R_SH_IMM_MEDHI16", /* name */ 1157 FALSE, /* partial_inplace */ 1158 0, /* src_mask */ 1159 0x3fffc00, /* dst_mask */ 1160 FALSE), /* pcrel_offset */ 1161 1162 /* Used in MOVI and SHORI (((x - $) >> 32) & 65536). */ 1163 HOWTO (R_SH_IMM_MEDHI16_PCREL, /* type */ 1164 32, /* rightshift */ 1165 2, /* size (0 = byte, 1 = short, 2 = long) */ 1166 64, /* bitsize */ 1167 TRUE, /* pc_relative */ 1168 10, /* bitpos */ 1169 complain_overflow_dont, /* complain_on_overflow */ 1170 bfd_elf_generic_reloc, /* special_function */ 1171 "R_SH_IMM_MEDHI16_PCREL", /* name */ 1172 FALSE, /* partial_inplace */ 1173 0, /* src_mask */ 1174 0x3fffc00, /* dst_mask */ 1175 TRUE), /* pcrel_offset */ 1176 1177 /* Used in MOVI and SHORI ((x >> 48) & 65536). */ 1178 HOWTO (R_SH_IMM_HI16, /* type */ 1179 48, /* rightshift */ 1180 2, /* size (0 = byte, 1 = short, 2 = long) */ 1181 64, /* bitsize */ 1182 FALSE, /* pc_relative */ 1183 10, /* bitpos */ 1184 complain_overflow_dont, /* complain_on_overflow */ 1185 bfd_elf_generic_reloc, /* special_function */ 1186 "R_SH_IMM_HI16", /* name */ 1187 FALSE, /* partial_inplace */ 1188 0, /* src_mask */ 1189 0x3fffc00, /* dst_mask */ 1190 FALSE), /* pcrel_offset */ 1191 1192 /* Used in MOVI and SHORI (((x - $) >> 48) & 65536). */ 1193 HOWTO (R_SH_IMM_HI16_PCREL, /* type */ 1194 48, /* rightshift */ 1195 2, /* size (0 = byte, 1 = short, 2 = long) */ 1196 64, /* bitsize */ 1197 TRUE, /* pc_relative */ 1198 10, /* bitpos */ 1199 complain_overflow_dont, /* complain_on_overflow */ 1200 bfd_elf_generic_reloc, /* special_function */ 1201 "R_SH_IMM_HI16_PCREL", /* name */ 1202 FALSE, /* partial_inplace */ 1203 0, /* src_mask */ 1204 0x3fffc00, /* dst_mask */ 1205 TRUE), /* pcrel_offset */ 1206 1207 /* For the .uaquad pseudo. */ 1208 HOWTO (R_SH_64, /* type */ 1209 0, /* rightshift */ 1210 4, /* size (0 = byte, 1 = short, 2 = long) */ 1211 64, /* bitsize */ 1212 FALSE, /* pc_relative */ 1213 0, /* bitpos */ 1214 complain_overflow_dont, /* complain_on_overflow */ 1215 bfd_elf_generic_reloc, /* special_function */ 1216 "R_SH_64", /* name */ 1217 FALSE, /* partial_inplace */ 1218 0, /* src_mask */ 1219 ((bfd_vma) 0) - 1, /* dst_mask */ 1220 FALSE), /* pcrel_offset */ 1221 1222 /* For the .uaquad pseudo, (x - $). */ 1223 HOWTO (R_SH_64_PCREL, /* type */ 1224 48, /* rightshift */ 1225 2, /* size (0 = byte, 1 = short, 2 = long) */ 1226 64, /* bitsize */ 1227 TRUE, /* pc_relative */ 1228 10, /* bitpos */ 1229 complain_overflow_dont, /* complain_on_overflow */ 1230 bfd_elf_generic_reloc, /* special_function */ 1231 "R_SH_64_PCREL", /* name */ 1232 FALSE, /* partial_inplace */ 1233 0, /* src_mask */ 1234 ((bfd_vma) 0) - 1, /* dst_mask */ 1235 TRUE), /* pcrel_offset */ 1236 1237}; 1238 1239/* This function is used for relocs which are only used for relaxing, 1240 which the linker should otherwise ignore. */ 1241 1242static bfd_reloc_status_type 1243sh_elf64_ignore_reloc (bfd *abfd ATTRIBUTE_UNUSED, arelent *reloc_entry, 1244 asymbol *symbol ATTRIBUTE_UNUSED, 1245 void *data ATTRIBUTE_UNUSED, asection *input_section, 1246 bfd *output_bfd, 1247 char **error_message ATTRIBUTE_UNUSED) 1248{ 1249 if (output_bfd != NULL) 1250 reloc_entry->address += input_section->output_offset; 1251 return bfd_reloc_ok; 1252} 1253 1254/* This function is used for normal relocs. This used to be like the COFF 1255 function, and is almost certainly incorrect for other ELF targets. 1256 1257 See sh_elf_reloc in elf32-sh.c for the original. */ 1258 1259static bfd_reloc_status_type 1260sh_elf64_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol_in, 1261 void *data, asection *input_section, bfd *output_bfd, 1262 char **error_message ATTRIBUTE_UNUSED) 1263{ 1264 unsigned long insn; 1265 bfd_vma sym_value; 1266 enum elf_sh_reloc_type r_type; 1267 bfd_vma addr = reloc_entry->address; 1268 bfd_byte *hit_data = addr + (bfd_byte *) data; 1269 1270 r_type = (enum elf_sh_reloc_type) reloc_entry->howto->type; 1271 1272 if (output_bfd != NULL) 1273 { 1274 /* Partial linking--do nothing. */ 1275 reloc_entry->address += input_section->output_offset; 1276 return bfd_reloc_ok; 1277 } 1278 1279 if (symbol_in != NULL 1280 && bfd_is_und_section (symbol_in->section)) 1281 return bfd_reloc_undefined; 1282 1283 if (bfd_is_com_section (symbol_in->section)) 1284 sym_value = 0; 1285 else 1286 sym_value = (symbol_in->value + 1287 symbol_in->section->output_section->vma + 1288 symbol_in->section->output_offset); 1289 1290 switch (r_type) 1291 { 1292 case R_SH_DIR32: 1293 insn = bfd_get_32 (abfd, hit_data); 1294 insn += sym_value + reloc_entry->addend; 1295 bfd_put_32 (abfd, insn, hit_data); 1296 break; 1297 1298 default: 1299 abort (); 1300 break; 1301 } 1302 1303 return bfd_reloc_ok; 1304} 1305 1306/* This structure is used to map BFD reloc codes to SH ELF relocs. */ 1307 1308struct elf_reloc_map 1309{ 1310 bfd_reloc_code_real_type bfd_reloc_val; 1311 unsigned char elf_reloc_val; 1312}; 1313 1314/* An array mapping BFD reloc codes to SH ELF relocs. */ 1315 1316static const struct elf_reloc_map sh64_reloc_map[] = 1317{ 1318 { BFD_RELOC_NONE, R_SH_NONE }, 1319 { BFD_RELOC_32, R_SH_DIR32 }, 1320 { BFD_RELOC_CTOR, R_SH_DIR32 }, 1321 { BFD_RELOC_32_PCREL, R_SH_REL32 }, 1322 { BFD_RELOC_8_PCREL, R_SH_SWITCH8 }, 1323 { BFD_RELOC_SH_SWITCH16, R_SH_SWITCH16 }, 1324 { BFD_RELOC_SH_SWITCH32, R_SH_SWITCH32 }, 1325 { BFD_RELOC_VTABLE_INHERIT, R_SH_GNU_VTINHERIT }, 1326 { BFD_RELOC_VTABLE_ENTRY, R_SH_GNU_VTENTRY }, 1327 { BFD_RELOC_SH_GOT_LOW16, R_SH_GOT_LOW16 }, 1328 { BFD_RELOC_SH_GOT_MEDLOW16, R_SH_GOT_MEDLOW16 }, 1329 { BFD_RELOC_SH_GOT_MEDHI16, R_SH_GOT_MEDHI16 }, 1330 { BFD_RELOC_SH_GOT_HI16, R_SH_GOT_HI16 }, 1331 { BFD_RELOC_SH_GOTPLT_LOW16, R_SH_GOTPLT_LOW16 }, 1332 { BFD_RELOC_SH_GOTPLT_MEDLOW16, R_SH_GOTPLT_MEDLOW16 }, 1333 { BFD_RELOC_SH_GOTPLT_MEDHI16, R_SH_GOTPLT_MEDHI16 }, 1334 { BFD_RELOC_SH_GOTPLT_HI16, R_SH_GOTPLT_HI16 }, 1335 { BFD_RELOC_SH_PLT_LOW16, R_SH_PLT_LOW16 }, 1336 { BFD_RELOC_SH_PLT_MEDLOW16, R_SH_PLT_MEDLOW16 }, 1337 { BFD_RELOC_SH_PLT_MEDHI16, R_SH_PLT_MEDHI16 }, 1338 { BFD_RELOC_SH_PLT_HI16, R_SH_PLT_HI16 }, 1339 { BFD_RELOC_SH_GOTOFF_LOW16, R_SH_GOTOFF_LOW16 }, 1340 { BFD_RELOC_SH_GOTOFF_MEDLOW16, R_SH_GOTOFF_MEDLOW16 }, 1341 { BFD_RELOC_SH_GOTOFF_MEDHI16, R_SH_GOTOFF_MEDHI16 }, 1342 { BFD_RELOC_SH_GOTOFF_HI16, R_SH_GOTOFF_HI16 }, 1343 { BFD_RELOC_SH_GOTPC_LOW16, R_SH_GOTPC_LOW16 }, 1344 { BFD_RELOC_SH_GOTPC_MEDLOW16, R_SH_GOTPC_MEDLOW16 }, 1345 { BFD_RELOC_SH_GOTPC_MEDHI16, R_SH_GOTPC_MEDHI16 }, 1346 { BFD_RELOC_SH_GOTPC_HI16, R_SH_GOTPC_HI16 }, 1347 { BFD_RELOC_SH_COPY64, R_SH_COPY64 }, 1348 { BFD_RELOC_SH_GLOB_DAT64, R_SH_GLOB_DAT64 }, 1349 { BFD_RELOC_SH_JMP_SLOT64, R_SH_JMP_SLOT64 }, 1350 { BFD_RELOC_SH_RELATIVE64, R_SH_RELATIVE64 }, 1351 { BFD_RELOC_SH_GOT10BY4, R_SH_GOT10BY4 }, 1352 { BFD_RELOC_SH_GOT10BY8, R_SH_GOT10BY8 }, 1353 { BFD_RELOC_SH_GOTPLT10BY4, R_SH_GOTPLT10BY4 }, 1354 { BFD_RELOC_SH_GOTPLT10BY8, R_SH_GOTPLT10BY8 }, 1355 { BFD_RELOC_SH_PT_16, R_SH_PT_16 }, 1356 { BFD_RELOC_SH_SHMEDIA_CODE, R_SH_SHMEDIA_CODE }, 1357 { BFD_RELOC_SH_IMMU5, R_SH_DIR5U }, 1358 { BFD_RELOC_SH_IMMS6, R_SH_DIR6S }, 1359 { BFD_RELOC_SH_IMMU6, R_SH_DIR6U }, 1360 { BFD_RELOC_SH_IMMS10, R_SH_DIR10S }, 1361 { BFD_RELOC_SH_IMMS10BY2, R_SH_DIR10SW }, 1362 { BFD_RELOC_SH_IMMS10BY4, R_SH_DIR10SL }, 1363 { BFD_RELOC_SH_IMMS10BY8, R_SH_DIR10SQ }, 1364 { BFD_RELOC_SH_IMMS16, R_SH_IMMS16 }, 1365 { BFD_RELOC_SH_IMMU16, R_SH_IMMU16 }, 1366 { BFD_RELOC_SH_IMM_LOW16, R_SH_IMM_LOW16 }, 1367 { BFD_RELOC_SH_IMM_LOW16_PCREL, R_SH_IMM_LOW16_PCREL }, 1368 { BFD_RELOC_SH_IMM_MEDLOW16, R_SH_IMM_MEDLOW16 }, 1369 { BFD_RELOC_SH_IMM_MEDLOW16_PCREL, R_SH_IMM_MEDLOW16_PCREL }, 1370 { BFD_RELOC_SH_IMM_MEDHI16, R_SH_IMM_MEDHI16 }, 1371 { BFD_RELOC_SH_IMM_MEDHI16_PCREL, R_SH_IMM_MEDHI16_PCREL }, 1372 { BFD_RELOC_SH_IMM_HI16, R_SH_IMM_HI16 }, 1373 { BFD_RELOC_SH_IMM_HI16_PCREL, R_SH_IMM_HI16_PCREL }, 1374 { BFD_RELOC_64, R_SH_64 }, 1375 { BFD_RELOC_64_PCREL, R_SH_64_PCREL }, 1376}; 1377 1378/* Given a BFD reloc code, return the howto structure for the 1379 corresponding SH ELf reloc. */ 1380 1381static reloc_howto_type * 1382sh_elf64_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED, 1383 bfd_reloc_code_real_type code) 1384{ 1385 unsigned int i; 1386 1387 for (i = 0; i < sizeof (sh64_reloc_map) / sizeof (struct elf_reloc_map); i++) 1388 { 1389 if (sh64_reloc_map[i].bfd_reloc_val == code) 1390 return &sh_elf64_howto_table[(int) sh64_reloc_map[i].elf_reloc_val]; 1391 } 1392 1393 return NULL; 1394} 1395 1396static reloc_howto_type * 1397sh_elf64_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED, 1398 const char *r_name) 1399{ 1400 unsigned int i; 1401 1402 for (i = 0; 1403 i < sizeof (sh_elf64_howto_table) / sizeof (sh_elf64_howto_table[0]); 1404 i++) 1405 if (sh_elf64_howto_table[i].name != NULL 1406 && strcasecmp (sh_elf64_howto_table[i].name, r_name) == 0) 1407 return &sh_elf64_howto_table[i]; 1408 1409 return NULL; 1410} 1411 1412/* Given an ELF reloc, fill in the howto field of a relent. 1413 1414 See sh_elf_info_to_howto in elf32-sh.c for the original. */ 1415 1416static void 1417sh_elf64_info_to_howto (bfd *abfd ATTRIBUTE_UNUSED, arelent *cache_ptr, 1418 Elf_Internal_Rela *dst) 1419{ 1420 unsigned int r; 1421 1422 r = ELF64_R_TYPE (dst->r_info); 1423 1424 BFD_ASSERT (r <= (unsigned int) R_SH_64_PCREL); 1425 BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC || r > R_SH_LAST_INVALID_RELOC); 1426 BFD_ASSERT (r < R_SH_DIR8WPN || r > R_SH_LAST_INVALID_RELOC_2); 1427 BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC_3 || r > R_SH_GOTPLT32); 1428 BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC_4 || r > R_SH_LAST_INVALID_RELOC_4); 1429 1430 cache_ptr->howto = &sh_elf64_howto_table[r]; 1431} 1432 1433/* Relocate an SH ELF section. 1434 1435 See sh_elf_info_to_howto in elf32-sh.c for the original. */ 1436 1437static bfd_boolean 1438sh_elf64_relocate_section (bfd *output_bfd ATTRIBUTE_UNUSED, 1439 struct bfd_link_info *info, bfd *input_bfd, 1440 asection *input_section, bfd_byte *contents, 1441 Elf_Internal_Rela *relocs, 1442 Elf_Internal_Sym *local_syms, 1443 asection **local_sections) 1444{ 1445 Elf_Internal_Shdr *symtab_hdr; 1446 struct elf_link_hash_entry **sym_hashes; 1447 Elf_Internal_Rela *rel, *relend; 1448 bfd *dynobj; 1449 bfd_vma *local_got_offsets; 1450 asection *sgot; 1451 asection *sgotplt; 1452 asection *splt; 1453 asection *sreloc; 1454 bfd_vma disp, dropped; 1455 1456 symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr; 1457 sym_hashes = elf_sym_hashes (input_bfd); 1458 dynobj = elf_hash_table (info)->dynobj; 1459 local_got_offsets = elf_local_got_offsets (input_bfd); 1460 1461 sgot = NULL; 1462 sgotplt = NULL; 1463 splt = NULL; 1464 sreloc = NULL; 1465 1466 rel = relocs; 1467 relend = relocs + input_section->reloc_count; 1468 for (; rel < relend; rel++) 1469 { 1470 int r_type; 1471 reloc_howto_type *howto; 1472 unsigned long r_symndx; 1473 Elf_Internal_Sym *sym; 1474 asection *sec; 1475 struct elf_link_hash_entry *h; 1476 bfd_vma relocation; 1477 bfd_vma addend = (bfd_vma)0; 1478 bfd_reloc_status_type r; 1479 int seen_stt_datalabel = 0; 1480 1481 r_symndx = ELF64_R_SYM (rel->r_info); 1482 1483 r_type = ELF64_R_TYPE (rel->r_info); 1484 1485 if (r_type == (int) R_SH_NONE) 1486 continue; 1487 1488 if (r_type < 0 1489 || r_type > R_SH_64_PCREL 1490 || (r_type >= (int) R_SH_FIRST_INVALID_RELOC 1491 && r_type <= (int) R_SH_LAST_INVALID_RELOC) 1492 || (r_type >= (int) R_SH_DIR8WPN 1493 && r_type <= (int) R_SH_LAST_INVALID_RELOC) 1494 || (r_type >= (int) R_SH_GNU_VTINHERIT 1495 && r_type <= (int) R_SH_PSHL) 1496 || (r_type >= (int) R_SH_FIRST_INVALID_RELOC_2 1497 && r_type <= R_SH_GOTPLT32) 1498 || (r_type >= (int) R_SH_FIRST_INVALID_RELOC_4 1499 && r_type <= (int) R_SH_LAST_INVALID_RELOC_4)) 1500 { 1501 bfd_set_error (bfd_error_bad_value); 1502 return FALSE; 1503 } 1504 1505 howto = sh_elf64_howto_table + r_type; 1506 1507 h = NULL; 1508 sym = NULL; 1509 sec = NULL; 1510 relocation = 0; 1511 if (r_symndx < symtab_hdr->sh_info) 1512 { 1513 sym = local_syms + r_symndx; 1514 sec = local_sections[r_symndx]; 1515 relocation = ((sec->output_section->vma 1516 + sec->output_offset 1517 + sym->st_value) 1518 | ((sym->st_other & STO_SH5_ISA32) != 0)); 1519 1520 /* A local symbol never has STO_SH5_ISA32, so we don't need 1521 datalabel processing here. Make sure this does not change 1522 without notice. */ 1523 if ((sym->st_other & STO_SH5_ISA32) != 0) 1524 ((*info->callbacks->reloc_dangerous) 1525 (info, 1526 _("Unexpected STO_SH5_ISA32 on local symbol is not handled"), 1527 input_bfd, input_section, rel->r_offset)); 1528 1529 if (sec != NULL && elf_discarded_section (sec)) 1530 /* Handled below. */ 1531 ; 1532 else if (info->relocatable) 1533 { 1534 /* This is a relocatable link. We don't have to change 1535 anything, unless the reloc is against a section symbol, 1536 in which case we have to adjust according to where the 1537 section symbol winds up in the output section. */ 1538 if (ELF_ST_TYPE (sym->st_info) == STT_SECTION) 1539 goto final_link_relocate; 1540 1541 continue; 1542 } 1543 else if (! howto->partial_inplace) 1544 { 1545 relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel); 1546 relocation |= ((sym->st_other & STO_SH5_ISA32) != 0); 1547 } 1548 else if ((sec->flags & SEC_MERGE) 1549 && ELF_ST_TYPE (sym->st_info) == STT_SECTION) 1550 { 1551 asection *msec; 1552 1553 if (howto->rightshift || howto->src_mask != 0xffffffff) 1554 { 1555 (*_bfd_error_handler) 1556 (_("%B(%A+0x%lx): %s relocation against SEC_MERGE section"), 1557 input_bfd, input_section, 1558 (long) rel->r_offset, howto->name); 1559 return FALSE; 1560 } 1561 1562 addend = bfd_get_32 (input_bfd, contents + rel->r_offset); 1563 msec = sec; 1564 addend = 1565 _bfd_elf_rel_local_sym (output_bfd, sym, &msec, addend) 1566 - relocation; 1567 addend += msec->output_section->vma + msec->output_offset; 1568 bfd_put_32 (input_bfd, addend, contents + rel->r_offset); 1569 addend = 0; 1570 } 1571 } 1572 else 1573 { 1574 /* ??? Could we use the RELOC_FOR_GLOBAL_SYMBOL macro here ? */ 1575 1576 h = sym_hashes[r_symndx - symtab_hdr->sh_info]; 1577 while (h->root.type == bfd_link_hash_indirect 1578 || h->root.type == bfd_link_hash_warning) 1579 { 1580 /* If the reference passes a symbol marked with 1581 STT_DATALABEL, then any STO_SH5_ISA32 on the final value 1582 doesn't count. */ 1583 seen_stt_datalabel |= h->type == STT_DATALABEL; 1584 h = (struct elf_link_hash_entry *) h->root.u.i.link; 1585 } 1586 1587 if (h->root.type == bfd_link_hash_defined 1588 || h->root.type == bfd_link_hash_defweak) 1589 { 1590 sec = h->root.u.def.section; 1591 /* In these cases, we don't need the relocation value. 1592 We check specially because in some obscure cases 1593 sec->output_section will be NULL. */ 1594 if (r_type == R_SH_GOTPC_LOW16 1595 || r_type == R_SH_GOTPC_MEDLOW16 1596 || r_type == R_SH_GOTPC_MEDHI16 1597 || r_type == R_SH_GOTPC_HI16 1598 || ((r_type == R_SH_PLT_LOW16 1599 || r_type == R_SH_PLT_MEDLOW16 1600 || r_type == R_SH_PLT_MEDHI16 1601 || r_type == R_SH_PLT_HI16) 1602 && h->plt.offset != (bfd_vma) -1) 1603 || ((r_type == R_SH_GOT_LOW16 1604 || r_type == R_SH_GOT_MEDLOW16 1605 || r_type == R_SH_GOT_MEDHI16 1606 || r_type == R_SH_GOT_HI16) 1607 && elf_hash_table (info)->dynamic_sections_created 1608 && (! info->shared 1609 || (! info->symbolic && h->dynindx != -1) 1610 || !h->def_regular)) 1611 /* The cases above are those in which relocation is 1612 overwritten in the switch block below. The cases 1613 below are those in which we must defer relocation 1614 to run-time, because we can't resolve absolute 1615 addresses when creating a shared library. */ 1616 || (info->shared 1617 && ((! info->symbolic && h->dynindx != -1) 1618 || !h->def_regular) 1619 && ((r_type == R_SH_64 1620 && !(ELF_ST_VISIBILITY (h->other) == STV_INTERNAL 1621 || ELF_ST_VISIBILITY (h->other) == STV_HIDDEN)) 1622 || r_type == R_SH_64_PCREL) 1623 && ((input_section->flags & SEC_ALLOC) != 0 1624 /* DWARF will emit R_SH_DIR32 relocations in its 1625 sections against symbols defined externally 1626 in shared libraries. We can't do anything 1627 with them here. */ 1628 || (input_section->flags & SEC_DEBUGGING) != 0)) 1629 /* Dynamic relocs are not propagated for SEC_DEBUGGING 1630 sections because such sections are not SEC_ALLOC and 1631 thus ld.so will not process them. */ 1632 || (sec->output_section == NULL 1633 && ((input_section->flags & SEC_DEBUGGING) != 0 1634 && h->def_dynamic))) 1635 ; 1636 else if (sec->output_section != NULL) 1637 relocation = ((h->root.u.def.value 1638 + sec->output_section->vma 1639 + sec->output_offset) 1640 /* A STO_SH5_ISA32 causes a "bitor 1" to the 1641 symbol value, unless we've seen 1642 STT_DATALABEL on the way to it. */ 1643 | ((h->other & STO_SH5_ISA32) != 0 1644 && ! seen_stt_datalabel)); 1645 else if (!info->relocatable) 1646 { 1647 (*_bfd_error_handler) 1648 (_("%B(%A+0x%lx): unresolvable %s relocation against symbol `%s'"), 1649 input_bfd, 1650 input_section, 1651 (long) rel->r_offset, 1652 howto->name, 1653 h->root.root.string); 1654 } 1655 } 1656 else if (h->root.type == bfd_link_hash_undefweak) 1657 ; 1658 else if (info->unresolved_syms_in_objects == RM_IGNORE 1659 && ELF_ST_VISIBILITY (h->other) == STV_DEFAULT) 1660 ; 1661 else if (!info->relocatable) 1662 { 1663 if (! ((*info->callbacks->undefined_symbol) 1664 (info, h->root.root.string, input_bfd, 1665 input_section, rel->r_offset, 1666 (info->unresolved_syms_in_objects == RM_GENERATE_ERROR 1667 || ELF_ST_VISIBILITY (h->other))))) 1668 return FALSE; 1669 } 1670 } 1671 1672 if (sec != NULL && elf_discarded_section (sec)) 1673 { 1674 /* For relocs against symbols from removed linkonce sections, 1675 or sections discarded by a linker script, we just want the 1676 section contents zeroed. Avoid any special processing. */ 1677 _bfd_clear_contents (howto, input_bfd, contents + rel->r_offset); 1678 rel->r_info = 0; 1679 rel->r_addend = 0; 1680 continue; 1681 } 1682 1683 if (info->relocatable) 1684 continue; 1685 1686 disp = (relocation 1687 - input_section->output_section->vma 1688 - input_section->output_offset 1689 - rel->r_offset); 1690 dropped = 0; 1691 switch ((int)r_type) 1692 { 1693 case R_SH_PT_16: dropped = disp & 2; break; 1694 case R_SH_DIR10SW: dropped = disp & 1; break; 1695 case R_SH_DIR10SL: dropped = disp & 3; break; 1696 case R_SH_DIR10SQ: dropped = disp & 7; break; 1697 } 1698 if (dropped != 0) 1699 { 1700 (*_bfd_error_handler) 1701 (_("%s: error: unaligned relocation type %d at %08x reloc %08x\n"), 1702 bfd_get_filename (input_bfd), (int)r_type, (unsigned)rel->r_offset, (unsigned)relocation); 1703 bfd_set_error (bfd_error_bad_value); 1704 return FALSE; 1705 } 1706 switch ((int)r_type) 1707 { 1708 case R_SH_64: 1709 case R_SH_64_PCREL: 1710 if (info->shared 1711 && (input_section->flags & SEC_ALLOC) != 0 1712 && (r_type != R_SH_64_PCREL 1713 || (h != NULL 1714 && h->dynindx != -1 1715 && (! info->symbolic 1716 || !h->def_regular)))) 1717 { 1718 Elf_Internal_Rela outrel; 1719 bfd_byte *loc; 1720 bfd_boolean skip, relocate; 1721 1722 /* When generating a shared object, these relocations 1723 are copied into the output file to be resolved at run 1724 time. */ 1725 1726 if (sreloc == NULL) 1727 { 1728 const char *name; 1729 1730 name = (bfd_elf_string_from_elf_section 1731 (input_bfd, 1732 elf_elfheader (input_bfd)->e_shstrndx, 1733 elf_section_data (input_section)->rel_hdr.sh_name)); 1734 if (name == NULL) 1735 return FALSE; 1736 1737 BFD_ASSERT (CONST_STRNEQ (name, ".rela") 1738 && strcmp (bfd_get_section_name (input_bfd, 1739 input_section), 1740 name + 5) == 0); 1741 1742 sreloc = bfd_get_section_by_name (dynobj, name); 1743 BFD_ASSERT (sreloc != NULL); 1744 } 1745 1746 skip = FALSE; 1747 relocate = FALSE; 1748 1749 outrel.r_offset 1750 = _bfd_elf_section_offset (output_bfd, info, 1751 input_section, rel->r_offset); 1752 1753 if (outrel.r_offset == (bfd_vma) -1) 1754 skip = TRUE; 1755 else if (outrel.r_offset == (bfd_vma) -2) 1756 skip = TRUE, relocate = TRUE; 1757 1758 outrel.r_offset += (input_section->output_section->vma 1759 + input_section->output_offset); 1760 1761 if (skip) 1762 memset (&outrel, 0, sizeof outrel); 1763 else if (r_type == R_SH_64_PCREL) 1764 { 1765 BFD_ASSERT (h != NULL && h->dynindx != -1); 1766 outrel.r_info = ELF64_R_INFO (h->dynindx, R_SH_64_PCREL); 1767 outrel.r_addend = rel->r_addend; 1768 } 1769 else 1770 { 1771 /* h->dynindx may be -1 if this symbol was marked to 1772 become local. */ 1773 if (h == NULL 1774 || ((info->symbolic || h->dynindx == -1) 1775 && h->def_regular)) 1776 { 1777 relocate = TRUE; 1778 outrel.r_info = ELF64_R_INFO (0, R_SH_RELATIVE64); 1779 outrel.r_addend = relocation + rel->r_addend; 1780 } 1781 else 1782 { 1783 BFD_ASSERT (h->dynindx != -1); 1784 outrel.r_info = ELF64_R_INFO (h->dynindx, R_SH_64); 1785 outrel.r_addend = relocation + rel->r_addend; 1786 } 1787 } 1788 1789 loc = sreloc->contents; 1790 loc += sreloc->reloc_count++ * sizeof (Elf64_External_Rela); 1791 bfd_elf64_swap_reloca_out (output_bfd, &outrel, loc); 1792 1793 /* If this reloc is against an external symbol, we do 1794 not want to fiddle with the addend. Otherwise, we 1795 need to include the symbol value so that it becomes 1796 an addend for the dynamic reloc. */ 1797 if (! relocate) 1798 continue; 1799 } 1800 else if (r_type == R_SH_64) 1801 addend = rel->r_addend; 1802 goto final_link_relocate; 1803 1804 case R_SH_GOTPLT_LOW16: 1805 case R_SH_GOTPLT_MEDLOW16: 1806 case R_SH_GOTPLT_MEDHI16: 1807 case R_SH_GOTPLT_HI16: 1808 case R_SH_GOTPLT10BY4: 1809 case R_SH_GOTPLT10BY8: 1810 /* Relocation is to the entry for this symbol in the 1811 procedure linkage table. */ 1812 1813 if (h == NULL 1814 || ELF_ST_VISIBILITY (h->other) == STV_INTERNAL 1815 || ELF_ST_VISIBILITY (h->other) == STV_HIDDEN 1816 || ! info->shared 1817 || info->symbolic 1818 || h->dynindx == -1 1819 || h->plt.offset == (bfd_vma) -1 1820 || h->got.offset != (bfd_vma) -1) 1821 goto force_got; 1822 1823 /* Relocation is to the entry for this symbol in the global 1824 offset table extension for the procedure linkage table. */ 1825 if (sgotplt == NULL) 1826 { 1827 sgotplt = bfd_get_section_by_name (dynobj, ".got.plt"); 1828 BFD_ASSERT (sgotplt != NULL); 1829 } 1830 1831 relocation = (sgotplt->output_offset 1832 + ((h->plt.offset / elf_sh64_sizeof_plt (info) 1833 - 1 + 3) * 8)); 1834 1835 relocation -= GOT_BIAS; 1836 1837 goto final_link_relocate; 1838 1839 force_got: 1840 case R_SH_GOT_LOW16: 1841 case R_SH_GOT_MEDLOW16: 1842 case R_SH_GOT_MEDHI16: 1843 case R_SH_GOT_HI16: 1844 case R_SH_GOT10BY4: 1845 case R_SH_GOT10BY8: 1846 /* Relocation is to the entry for this symbol in the global 1847 offset table. */ 1848 if (sgot == NULL) 1849 { 1850 sgot = bfd_get_section_by_name (dynobj, ".got"); 1851 BFD_ASSERT (sgot != NULL); 1852 } 1853 1854 if (h != NULL) 1855 { 1856 bfd_vma off; 1857 1858 off = h->got.offset; 1859 if (seen_stt_datalabel) 1860 { 1861 struct elf_sh64_link_hash_entry *hsh; 1862 1863 hsh = (struct elf_sh64_link_hash_entry *)h; 1864 off = hsh->datalabel_got_offset; 1865 } 1866 BFD_ASSERT (off != (bfd_vma) -1); 1867 1868 if (! elf_hash_table (info)->dynamic_sections_created 1869 || (info->shared 1870 && (info->symbolic || h->dynindx == -1 1871 || ELF_ST_VISIBILITY (h->other) == STV_INTERNAL 1872 || ELF_ST_VISIBILITY (h->other) == STV_HIDDEN) 1873 && h->def_regular)) 1874 { 1875 /* This is actually a static link, or it is a 1876 -Bsymbolic link and the symbol is defined 1877 locally, or the symbol was forced to be local 1878 because of a version file. We must initialize 1879 this entry in the global offset table. Since the 1880 offset must always be a multiple of 4, we use the 1881 least significant bit to record whether we have 1882 initialized it already. 1883 1884 When doing a dynamic link, we create a .rela.got 1885 relocation entry to initialize the value. This 1886 is done in the finish_dynamic_symbol routine. */ 1887 if ((off & 1) != 0) 1888 off &= ~1; 1889 else 1890 { 1891 bfd_put_64 (output_bfd, relocation, 1892 sgot->contents + off); 1893 if (seen_stt_datalabel) 1894 { 1895 struct elf_sh64_link_hash_entry *hsh; 1896 1897 hsh = (struct elf_sh64_link_hash_entry *)h; 1898 hsh->datalabel_got_offset |= 1; 1899 } 1900 else 1901 h->got.offset |= 1; 1902 } 1903 } 1904 1905 relocation = sgot->output_offset + off; 1906 } 1907 else 1908 { 1909 bfd_vma off; 1910 1911 if (rel->r_addend) 1912 { 1913 BFD_ASSERT (local_got_offsets != NULL 1914 && (local_got_offsets[symtab_hdr->sh_info 1915 + r_symndx] 1916 != (bfd_vma) -1)); 1917 1918 off = local_got_offsets[symtab_hdr->sh_info 1919 + r_symndx]; 1920 } 1921 else 1922 { 1923 BFD_ASSERT (local_got_offsets != NULL 1924 && local_got_offsets[r_symndx] != (bfd_vma) -1); 1925 1926 off = local_got_offsets[r_symndx]; 1927 } 1928 1929 /* The offset must always be a multiple of 8. We use 1930 the least significant bit to record whether we have 1931 already generated the necessary reloc. */ 1932 if ((off & 1) != 0) 1933 off &= ~1; 1934 else 1935 { 1936 bfd_put_64 (output_bfd, relocation, sgot->contents + off); 1937 1938 if (info->shared) 1939 { 1940 asection *s; 1941 Elf_Internal_Rela outrel; 1942 bfd_byte *loc; 1943 1944 s = bfd_get_section_by_name (dynobj, ".rela.got"); 1945 BFD_ASSERT (s != NULL); 1946 1947 outrel.r_offset = (sgot->output_section->vma 1948 + sgot->output_offset 1949 + off); 1950 outrel.r_info = ELF64_R_INFO (0, R_SH_RELATIVE64); 1951 outrel.r_addend = relocation; 1952 loc = s->contents; 1953 loc += s->reloc_count++ * sizeof (Elf64_External_Rela); 1954 bfd_elf64_swap_reloca_out (output_bfd, &outrel, loc); 1955 } 1956 1957 if (rel->r_addend) 1958 local_got_offsets[symtab_hdr->sh_info + r_symndx] |= 1; 1959 else 1960 local_got_offsets[r_symndx] |= 1; 1961 } 1962 1963 relocation = sgot->output_offset + off; 1964 } 1965 1966 relocation -= GOT_BIAS; 1967 1968 goto final_link_relocate; 1969 1970 case R_SH_GOTOFF_LOW16: 1971 case R_SH_GOTOFF_MEDLOW16: 1972 case R_SH_GOTOFF_MEDHI16: 1973 case R_SH_GOTOFF_HI16: 1974 /* Relocation is relative to the start of the global offset 1975 table. */ 1976 1977 if (sgot == NULL) 1978 { 1979 sgot = bfd_get_section_by_name (dynobj, ".got"); 1980 BFD_ASSERT (sgot != NULL); 1981 } 1982 1983 /* Note that sgot->output_offset is not involved in this 1984 calculation. We always want the start of .got. If we 1985 defined _GLOBAL_OFFSET_TABLE in a different way, as is 1986 permitted by the ABI, we might have to change this 1987 calculation. */ 1988 relocation -= sgot->output_section->vma; 1989 1990 relocation -= GOT_BIAS; 1991 1992 addend = rel->r_addend; 1993 1994 goto final_link_relocate; 1995 1996 case R_SH_GOTPC_LOW16: 1997 case R_SH_GOTPC_MEDLOW16: 1998 case R_SH_GOTPC_MEDHI16: 1999 case R_SH_GOTPC_HI16: 2000 /* Use global offset table as symbol value. */ 2001 2002 if (sgot == NULL) 2003 { 2004 sgot = bfd_get_section_by_name (dynobj, ".got"); 2005 BFD_ASSERT (sgot != NULL); 2006 } 2007 2008 relocation = sgot->output_section->vma; 2009 2010 relocation += GOT_BIAS; 2011 2012 addend = rel->r_addend; 2013 2014 goto final_link_relocate; 2015 2016 case R_SH_PLT_LOW16: 2017 case R_SH_PLT_MEDLOW16: 2018 case R_SH_PLT_MEDHI16: 2019 case R_SH_PLT_HI16: 2020 /* Relocation is to the entry for this symbol in the 2021 procedure linkage table. */ 2022 2023 /* Resolve a PLT reloc against a local symbol directly, 2024 without using the procedure linkage table. */ 2025 if (h == NULL) 2026 goto final_link_relocate; 2027 2028 if (ELF_ST_VISIBILITY (h->other) == STV_INTERNAL 2029 || ELF_ST_VISIBILITY (h->other) == STV_HIDDEN) 2030 goto final_link_relocate; 2031 2032 if (h->plt.offset == (bfd_vma) -1) 2033 { 2034 /* We didn't make a PLT entry for this symbol. This 2035 happens when statically linking PIC code, or when 2036 using -Bsymbolic. */ 2037 goto final_link_relocate; 2038 } 2039 2040 if (splt == NULL) 2041 { 2042 splt = bfd_get_section_by_name (dynobj, ".plt"); 2043 BFD_ASSERT (splt != NULL); 2044 } 2045 2046 relocation = (splt->output_section->vma 2047 + splt->output_offset 2048 + h->plt.offset); 2049 relocation++; 2050 2051 addend = rel->r_addend; 2052 2053 goto final_link_relocate; 2054 2055 case R_SH_DIR32: 2056 case R_SH_SHMEDIA_CODE: 2057 case R_SH_PT_16: 2058 case R_SH_DIR5U: 2059 case R_SH_DIR6S: 2060 case R_SH_DIR6U: 2061 case R_SH_DIR10S: 2062 case R_SH_DIR10SW: 2063 case R_SH_DIR10SL: 2064 case R_SH_DIR10SQ: 2065 case R_SH_IMMS16: 2066 case R_SH_IMMU16: 2067 case R_SH_IMM_LOW16: 2068 case R_SH_IMM_LOW16_PCREL: 2069 case R_SH_IMM_MEDLOW16: 2070 case R_SH_IMM_MEDLOW16_PCREL: 2071 case R_SH_IMM_MEDHI16: 2072 case R_SH_IMM_MEDHI16_PCREL: 2073 case R_SH_IMM_HI16: 2074 case R_SH_IMM_HI16_PCREL: 2075 addend = rel->r_addend; 2076 /* Fall through. */ 2077 case R_SH_REL32: 2078 final_link_relocate: 2079 r = _bfd_final_link_relocate (howto, input_bfd, input_section, 2080 contents, rel->r_offset, 2081 relocation, addend); 2082 break; 2083 2084 default: 2085 bfd_set_error (bfd_error_bad_value); 2086 return FALSE; 2087 2088 } 2089 2090 if (r != bfd_reloc_ok) 2091 { 2092 switch (r) 2093 { 2094 default: 2095 case bfd_reloc_outofrange: 2096 abort (); 2097 case bfd_reloc_overflow: 2098 { 2099 const char *name; 2100 2101 if (h != NULL) 2102 name = NULL; 2103 else 2104 { 2105 name = (bfd_elf_string_from_elf_section 2106 (input_bfd, symtab_hdr->sh_link, sym->st_name)); 2107 if (name == NULL) 2108 return FALSE; 2109 if (*name == '\0') 2110 name = bfd_section_name (input_bfd, sec); 2111 } 2112 if (! ((*info->callbacks->reloc_overflow) 2113 (info, (h ? &h->root : NULL), name, howto->name, 2114 (bfd_vma) 0, input_bfd, input_section, 2115 rel->r_offset))) 2116 return FALSE; 2117 } 2118 break; 2119 } 2120 } 2121 } 2122 2123 return TRUE; 2124} 2125 2126/* This is a version of bfd_generic_get_relocated_section_contents 2127 that uses sh_elf64_relocate_section. 2128 2129 See sh_elf_relocate_section in elf32-sh.c for the original. */ 2130 2131static bfd_byte * 2132sh_elf64_get_relocated_section_contents (bfd *output_bfd, 2133 struct bfd_link_info *link_info, 2134 struct bfd_link_order *link_order, 2135 bfd_byte *data, 2136 bfd_boolean relocatable, 2137 asymbol **symbols) 2138{ 2139 Elf_Internal_Shdr *symtab_hdr; 2140 asection *input_section = link_order->u.indirect.section; 2141 bfd *input_bfd = input_section->owner; 2142 asection **sections = NULL; 2143 Elf_Internal_Rela *internal_relocs = NULL; 2144 Elf_Internal_Sym *isymbuf = NULL; 2145 2146 /* We only need to handle the case of relaxing, or of having a 2147 particular set of section contents, specially. */ 2148 if (relocatable 2149 || elf_section_data (input_section)->this_hdr.contents == NULL) 2150 return bfd_generic_get_relocated_section_contents (output_bfd, link_info, 2151 link_order, data, 2152 relocatable, 2153 symbols); 2154 2155 symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr; 2156 2157 memcpy (data, elf_section_data (input_section)->this_hdr.contents, 2158 input_section->size); 2159 2160 if ((input_section->flags & SEC_RELOC) != 0 2161 && input_section->reloc_count > 0) 2162 { 2163 Elf_Internal_Sym *isymp; 2164 Elf_Internal_Sym *isymend; 2165 asection **secpp; 2166 2167 /* Read this BFD's local symbols. */ 2168 if (symtab_hdr->sh_info != 0) 2169 { 2170 isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents; 2171 if (isymbuf == NULL) 2172 isymbuf = bfd_elf_get_elf_syms (input_bfd, symtab_hdr, 2173 symtab_hdr->sh_info, 0, 2174 NULL, NULL, NULL); 2175 if (isymbuf == NULL) 2176 goto error_return; 2177 } 2178 2179 internal_relocs = (_bfd_elf_link_read_relocs 2180 (input_bfd, input_section, NULL, 2181 (Elf_Internal_Rela *) NULL, FALSE)); 2182 if (internal_relocs == NULL) 2183 goto error_return; 2184 2185 sections = (asection **) bfd_malloc (symtab_hdr->sh_info 2186 * sizeof (asection *)); 2187 if (sections == NULL && symtab_hdr->sh_info > 0) 2188 goto error_return; 2189 2190 secpp = sections; 2191 isymend = isymbuf + symtab_hdr->sh_info; 2192 for (isymp = isymbuf; isymp < isymend; ++isymp, ++secpp) 2193 { 2194 asection *isec; 2195 2196 if (isymp->st_shndx == SHN_UNDEF) 2197 isec = bfd_und_section_ptr; 2198 else if (isymp->st_shndx > 0 && isymp->st_shndx < SHN_LORESERVE) 2199 isec = bfd_section_from_elf_index (input_bfd, isymp->st_shndx); 2200 else if (isymp->st_shndx == SHN_ABS) 2201 isec = bfd_abs_section_ptr; 2202 else if (isymp->st_shndx == SHN_COMMON) 2203 isec = bfd_com_section_ptr; 2204 else 2205 { 2206 /* Who knows? */ 2207 isec = NULL; 2208 } 2209 2210 *secpp = isec; 2211 } 2212 2213 if (! sh_elf64_relocate_section (output_bfd, link_info, input_bfd, 2214 input_section, data, internal_relocs, 2215 isymbuf, sections)) 2216 goto error_return; 2217 2218 if (sections != NULL) 2219 free (sections); 2220 if (internal_relocs != elf_section_data (input_section)->relocs) 2221 free (internal_relocs); 2222 if (isymbuf != NULL 2223 && (unsigned char *) isymbuf != symtab_hdr->contents) 2224 free (isymbuf); 2225 } 2226 2227 return data; 2228 2229 error_return: 2230 if (sections != NULL) 2231 free (sections); 2232 if (internal_relocs != NULL 2233 && internal_relocs != elf_section_data (input_section)->relocs) 2234 free (internal_relocs); 2235 if (isymbuf != NULL 2236 && (unsigned char *) isymbuf != symtab_hdr->contents) 2237 free (isymbuf); 2238 return NULL; 2239} 2240 2241/* Set the SHF_SH5_ISA32 flag for ISA SHmedia code sections. */ 2242 2243static bfd_boolean 2244sh64_elf64_fake_sections (bfd *output_bfd ATTRIBUTE_UNUSED, 2245 Elf_Internal_Shdr *elf_section_hdr, 2246 asection *asect) 2247{ 2248 /* Code sections can only contain SH64 code, so mark them as such. */ 2249 if (bfd_get_section_flags (output_bfd, asect) & SEC_CODE) 2250 elf_section_hdr->sh_flags |= SHF_SH5_ISA32; 2251 2252 return TRUE; 2253} 2254 2255static bfd_boolean 2256sh_elf64_set_mach_from_flags (bfd *abfd) 2257{ 2258 flagword flags = elf_elfheader (abfd)->e_flags; 2259 2260 switch (flags & EF_SH_MACH_MASK) 2261 { 2262 case EF_SH5: 2263 /* Just one, but keep the switch construct to make additions easy. */ 2264 bfd_default_set_arch_mach (abfd, bfd_arch_sh, bfd_mach_sh5); 2265 break; 2266 2267 default: 2268 bfd_set_error (bfd_error_wrong_format); 2269 return FALSE; 2270 } 2271 return TRUE; 2272} 2273 2274/* Function to keep SH64 specific file flags. 2275 2276 See sh64_elf_set_private_flags in elf32-sh64.c for the original. */ 2277 2278static bfd_boolean 2279sh_elf64_set_private_flags (bfd *abfd, flagword flags) 2280{ 2281 BFD_ASSERT (! elf_flags_init (abfd) 2282 || elf_elfheader (abfd)->e_flags == flags); 2283 2284 elf_elfheader (abfd)->e_flags = flags; 2285 elf_flags_init (abfd) = TRUE; 2286 return sh_elf64_set_mach_from_flags (abfd); 2287} 2288 2289/* Copy the SHF_SH5_ISA32 attribute that we keep on all sections with 2290 code, to keep attributes the same as for SHmedia in 32-bit ELF. */ 2291 2292static bfd_boolean 2293sh_elf64_copy_private_data_internal (bfd *ibfd, bfd *obfd) 2294{ 2295 Elf_Internal_Shdr **o_shdrp; 2296 asection *isec; 2297 asection *osec; 2298 2299 if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour 2300 || bfd_get_flavour (obfd) != bfd_target_elf_flavour) 2301 return TRUE; 2302 2303 o_shdrp = elf_elfsections (obfd); 2304 for (osec = obfd->sections; osec; osec = osec->next) 2305 { 2306 int oIndex = ((struct bfd_elf_section_data *) elf_section_data (osec))->this_idx; 2307 for (isec = ibfd->sections; isec; isec = isec->next) 2308 { 2309 if (strcmp (osec->name, isec->name) == 0) 2310 { 2311 /* Note that we're not disallowing mixing data and code. */ 2312 if ((elf_section_data (isec)->this_hdr.sh_flags 2313 & SHF_SH5_ISA32) != 0) 2314 o_shdrp[oIndex]->sh_flags |= SHF_SH5_ISA32; 2315 break; 2316 } 2317 } 2318 } 2319 2320 /* Copy object attributes. */ 2321 _bfd_elf_copy_obj_attributes (ibfd, obfd); 2322 2323 return sh_elf64_set_private_flags (obfd, elf_elfheader (ibfd)->e_flags); 2324} 2325 2326static bfd_boolean 2327sh_elf64_copy_private_data (bfd *ibfd, bfd *obfd) 2328{ 2329 return sh_elf64_copy_private_data_internal (ibfd, obfd); 2330} 2331 2332static bfd_boolean 2333sh_elf64_merge_private_data (bfd *ibfd, bfd *obfd) 2334{ 2335 flagword old_flags, new_flags; 2336 2337 if (! _bfd_generic_verify_endian_match (ibfd, obfd)) 2338 return FALSE; 2339 2340 if ( bfd_get_flavour (ibfd) != bfd_target_elf_flavour 2341 || bfd_get_flavour (obfd) != bfd_target_elf_flavour) 2342 return TRUE; 2343 2344 if (bfd_get_arch_size (ibfd) != bfd_get_arch_size (obfd)) 2345 { 2346 const char *msg; 2347 2348 if (bfd_get_arch_size (ibfd) == 32 2349 && bfd_get_arch_size (obfd) == 64) 2350 msg = _("%s: compiled as 32-bit object and %s is 64-bit"); 2351 else if (bfd_get_arch_size (ibfd) == 64 2352 && bfd_get_arch_size (obfd) == 32) 2353 msg = _("%s: compiled as 64-bit object and %s is 32-bit"); 2354 else 2355 msg = _("%s: object size does not match that of target %s"); 2356 2357 (*_bfd_error_handler) (msg, bfd_get_filename (ibfd), 2358 bfd_get_filename (obfd)); 2359 bfd_set_error (bfd_error_wrong_format); 2360 return FALSE; 2361 } 2362 2363 old_flags = elf_elfheader (obfd)->e_flags; 2364 new_flags = elf_elfheader (ibfd)->e_flags; 2365 if (! elf_flags_init (obfd)) 2366 { 2367 /* This happens when ld starts out with a 'blank' output file. */ 2368 elf_flags_init (obfd) = TRUE; 2369 elf_elfheader (obfd)->e_flags = old_flags = new_flags; 2370 } 2371 /* We don't allow linking in anything else than SH64 code, and since 2372 this is a 64-bit ELF, we assume the 64-bit ABI is used. Add code 2373 here as things change. */ 2374 else if ((new_flags & EF_SH_MACH_MASK) != EF_SH5) 2375 { 2376 (*_bfd_error_handler) 2377 ("%s: does not use the SH64 64-bit ABI as previous modules do", 2378 bfd_get_filename (ibfd)); 2379 bfd_set_error (bfd_error_bad_value); 2380 return FALSE; 2381 } 2382 2383 sh_elf64_copy_private_data_internal (ibfd, obfd); 2384 2385 /* I can't think of anything sane other than old_flags being EF_SH5 and 2386 that we need to preserve that. */ 2387 elf_elfheader (obfd)->e_flags = old_flags; 2388 2389 return sh_elf64_set_mach_from_flags (obfd); 2390} 2391 2392/* Return the section that should be marked against GC for a given 2393 relocation. */ 2394 2395static asection * 2396sh_elf64_gc_mark_hook (asection *sec, 2397 struct bfd_link_info *info, 2398 Elf_Internal_Rela *rel, 2399 struct elf_link_hash_entry *h, 2400 Elf_Internal_Sym *sym) 2401{ 2402 if (h != NULL) 2403 switch (ELF64_R_TYPE (rel->r_info)) 2404 { 2405 case R_SH_GNU_VTINHERIT: 2406 case R_SH_GNU_VTENTRY: 2407 return NULL; 2408 } 2409 2410 return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym); 2411} 2412 2413/* Look through the relocs for a section during the first phase. 2414 Since we don't do .gots or .plts, we just need to consider the 2415 virtual table relocs for gc. */ 2416 2417static bfd_boolean 2418sh_elf64_check_relocs (bfd *abfd, struct bfd_link_info *info, 2419 asection *sec, const Elf_Internal_Rela *relocs) 2420{ 2421 Elf_Internal_Shdr *symtab_hdr; 2422 struct elf_link_hash_entry **sym_hashes, **sym_hashes_end; 2423 const Elf_Internal_Rela *rel; 2424 const Elf_Internal_Rela *rel_end; 2425 bfd *dynobj; 2426 bfd_vma *local_got_offsets; 2427 asection *sgot; 2428 asection *srelgot; 2429 asection *sreloc; 2430 2431 sgot = NULL; 2432 srelgot = NULL; 2433 sreloc = NULL; 2434 2435 if (info->relocatable) 2436 return TRUE; 2437 2438 symtab_hdr = &elf_tdata (abfd)->symtab_hdr; 2439 sym_hashes = elf_sym_hashes (abfd); 2440 sym_hashes_end = sym_hashes + symtab_hdr->sh_size/sizeof(Elf64_External_Sym); 2441 if (!elf_bad_symtab (abfd)) 2442 sym_hashes_end -= symtab_hdr->sh_info; 2443 2444 dynobj = elf_hash_table (info)->dynobj; 2445 local_got_offsets = elf_local_got_offsets (abfd); 2446 2447 rel_end = relocs + sec->reloc_count; 2448 for (rel = relocs; rel < rel_end; rel++) 2449 { 2450 struct elf_link_hash_entry *h; 2451 unsigned long r_symndx; 2452 2453 r_symndx = ELF64_R_SYM (rel->r_info); 2454 if (r_symndx < symtab_hdr->sh_info) 2455 h = NULL; 2456 else 2457 { 2458 h = sym_hashes[r_symndx - symtab_hdr->sh_info]; 2459 while (h->root.type == bfd_link_hash_indirect 2460 || h->root.type == bfd_link_hash_warning) 2461 h = (struct elf_link_hash_entry *) h->root.u.i.link; 2462 } 2463 2464 /* Some relocs require a global offset table. */ 2465 if (dynobj == NULL) 2466 { 2467 switch (ELF64_R_TYPE (rel->r_info)) 2468 { 2469 case R_SH_GOTPLT_LOW16: 2470 case R_SH_GOTPLT_MEDLOW16: 2471 case R_SH_GOTPLT_MEDHI16: 2472 case R_SH_GOTPLT_HI16: 2473 case R_SH_GOTPLT10BY4: 2474 case R_SH_GOTPLT10BY8: 2475 case R_SH_GOT_LOW16: 2476 case R_SH_GOT_MEDLOW16: 2477 case R_SH_GOT_MEDHI16: 2478 case R_SH_GOT_HI16: 2479 case R_SH_GOT10BY4: 2480 case R_SH_GOT10BY8: 2481 case R_SH_GOTOFF_LOW16: 2482 case R_SH_GOTOFF_MEDLOW16: 2483 case R_SH_GOTOFF_MEDHI16: 2484 case R_SH_GOTOFF_HI16: 2485 case R_SH_GOTPC_LOW16: 2486 case R_SH_GOTPC_MEDLOW16: 2487 case R_SH_GOTPC_MEDHI16: 2488 case R_SH_GOTPC_HI16: 2489 elf_hash_table (info)->dynobj = dynobj = abfd; 2490 if (! _bfd_elf_create_got_section (dynobj, info)) 2491 return FALSE; 2492 break; 2493 2494 default: 2495 break; 2496 } 2497 } 2498 2499 switch (ELF64_R_TYPE (rel->r_info)) 2500 { 2501 /* This relocation describes the C++ object vtable hierarchy. 2502 Reconstruct it for later use during GC. */ 2503 case R_SH_GNU_VTINHERIT: 2504 if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset)) 2505 return FALSE; 2506 break; 2507 2508 /* This relocation describes which C++ vtable entries are actually 2509 used. Record for later use during GC. */ 2510 case R_SH_GNU_VTENTRY: 2511 if (!bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend)) 2512 return FALSE; 2513 break; 2514 2515 force_got: 2516 case R_SH_GOT_LOW16: 2517 case R_SH_GOT_MEDLOW16: 2518 case R_SH_GOT_MEDHI16: 2519 case R_SH_GOT_HI16: 2520 case R_SH_GOT10BY4: 2521 case R_SH_GOT10BY8: 2522 /* This symbol requires a global offset table entry. */ 2523 2524 if (sgot == NULL) 2525 { 2526 sgot = bfd_get_section_by_name (dynobj, ".got"); 2527 BFD_ASSERT (sgot != NULL); 2528 } 2529 2530 if (srelgot == NULL 2531 && (h != NULL || info->shared)) 2532 { 2533 srelgot = bfd_get_section_by_name (dynobj, ".rela.got"); 2534 if (srelgot == NULL) 2535 { 2536 srelgot = bfd_make_section_with_flags (dynobj, 2537 ".rela.got", 2538 (SEC_ALLOC 2539 | SEC_LOAD 2540 | SEC_HAS_CONTENTS 2541 | SEC_IN_MEMORY 2542 | SEC_LINKER_CREATED 2543 | SEC_READONLY)); 2544 if (srelgot == NULL 2545 || ! bfd_set_section_alignment (dynobj, srelgot, 2)) 2546 return FALSE; 2547 } 2548 } 2549 2550 if (h != NULL) 2551 { 2552 if (h->type == STT_DATALABEL) 2553 { 2554 struct elf_sh64_link_hash_entry *hsh; 2555 2556 h = (struct elf_link_hash_entry *) h->root.u.i.link; 2557 hsh = (struct elf_sh64_link_hash_entry *)h; 2558 if (hsh->datalabel_got_offset != (bfd_vma) -1) 2559 break; 2560 2561 hsh->datalabel_got_offset = sgot->size; 2562 } 2563 else 2564 { 2565 if (h->got.offset != (bfd_vma) -1) 2566 { 2567 /* We have already allocated space in the .got. */ 2568 break; 2569 } 2570 h->got.offset = sgot->size; 2571 } 2572 2573 /* Make sure this symbol is output as a dynamic symbol. */ 2574 if (h->dynindx == -1) 2575 { 2576 if (! bfd_elf_link_record_dynamic_symbol (info, h)) 2577 return FALSE; 2578 } 2579 2580 srelgot->size += sizeof (Elf64_External_Rela); 2581 } 2582 else 2583 { 2584 /* This is a global offset table entry for a local 2585 symbol. */ 2586 if (local_got_offsets == NULL) 2587 { 2588 size_t size; 2589 register unsigned int i; 2590 2591 size = symtab_hdr->sh_info * sizeof (bfd_vma); 2592 /* Reserve space for both the datalabel and 2593 codelabel local GOT offsets. */ 2594 size *= 2; 2595 local_got_offsets = (bfd_vma *) bfd_alloc (abfd, size); 2596 if (local_got_offsets == NULL) 2597 return FALSE; 2598 elf_local_got_offsets (abfd) = local_got_offsets; 2599 for (i = 0; i < symtab_hdr->sh_info; i++) 2600 local_got_offsets[i] = (bfd_vma) -1; 2601 for (; i < 2 * symtab_hdr->sh_info; i++) 2602 local_got_offsets[i] = (bfd_vma) -1; 2603 } 2604 if ((rel->r_addend & 1) != 0) 2605 { 2606 if (local_got_offsets[symtab_hdr->sh_info 2607 + r_symndx] != (bfd_vma) -1) 2608 { 2609 /* We have already allocated space in the .got. */ 2610 break; 2611 } 2612 local_got_offsets[symtab_hdr->sh_info 2613 + r_symndx] = sgot->size; 2614 } 2615 else 2616 { 2617 if (local_got_offsets[r_symndx] != (bfd_vma) -1) 2618 { 2619 /* We have already allocated space in the .got. */ 2620 break; 2621 } 2622 local_got_offsets[r_symndx] = sgot->size; 2623 } 2624 2625 if (info->shared) 2626 { 2627 /* If we are generating a shared object, we need to 2628 output a R_SH_RELATIVE reloc so that the dynamic 2629 linker can adjust this GOT entry. */ 2630 srelgot->size += sizeof (Elf64_External_Rela); 2631 } 2632 } 2633 2634 sgot->size += 8; 2635 2636 break; 2637 2638 case R_SH_GOTPLT_LOW16: 2639 case R_SH_GOTPLT_MEDLOW16: 2640 case R_SH_GOTPLT_MEDHI16: 2641 case R_SH_GOTPLT_HI16: 2642 case R_SH_GOTPLT10BY4: 2643 case R_SH_GOTPLT10BY8: 2644 /* If this is a local symbol, we resolve it directly without 2645 creating a procedure linkage table entry. */ 2646 2647 if (h == NULL 2648 || ELF_ST_VISIBILITY (h->other) == STV_INTERNAL 2649 || ELF_ST_VISIBILITY (h->other) == STV_HIDDEN 2650 || ! info->shared 2651 || info->symbolic 2652 || h->dynindx == -1 2653 || h->got.offset != (bfd_vma) -1) 2654 goto force_got; 2655 2656 /* Make sure this symbol is output as a dynamic symbol. */ 2657 if (h->dynindx == -1) 2658 { 2659 if (! bfd_elf_link_record_dynamic_symbol (info, h)) 2660 return FALSE; 2661 } 2662 2663 h->needs_plt = 1; 2664 2665 break; 2666 2667 case R_SH_PLT_LOW16: 2668 case R_SH_PLT_MEDLOW16: 2669 case R_SH_PLT_MEDHI16: 2670 case R_SH_PLT_HI16: 2671 /* This symbol requires a procedure linkage table entry. We 2672 actually build the entry in adjust_dynamic_symbol, 2673 because this might be a case of linking PIC code which is 2674 never referenced by a dynamic object, in which case we 2675 don't need to generate a procedure linkage table entry 2676 after all. */ 2677 2678 /* If this is a local symbol, we resolve it directly without 2679 creating a procedure linkage table entry. */ 2680 if (h == NULL) 2681 continue; 2682 2683 if (ELF_ST_VISIBILITY (h->other) == STV_INTERNAL 2684 || ELF_ST_VISIBILITY (h->other) == STV_HIDDEN) 2685 break; 2686 2687 h->needs_plt = 1; 2688 2689 break; 2690 2691 case R_SH_64: 2692 case R_SH_64_PCREL: 2693 if (h != NULL) 2694 h->non_got_ref = 1; 2695 2696 /* If we are creating a shared library, and this is a reloc 2697 against a global symbol, or a non PC relative reloc 2698 against a local symbol, then we need to copy the reloc 2699 into the shared library. However, if we are linking with 2700 -Bsymbolic, we do not need to copy a reloc against a 2701 global symbol which is defined in an object we are 2702 including in the link (i.e., DEF_REGULAR is set). At 2703 this point we have not seen all the input files, so it is 2704 possible that DEF_REGULAR is not set now but will be set 2705 later (it is never cleared). We account for that 2706 possibility below by storing information in the 2707 pcrel_relocs_copied field of the hash table entry. */ 2708 if (info->shared 2709 && (sec->flags & SEC_ALLOC) != 0 2710 && (ELF32_R_TYPE (rel->r_info) != R_SH_64_PCREL 2711 || (h != NULL 2712 && (! info->symbolic 2713 || !h->def_regular)))) 2714 { 2715 /* When creating a shared object, we must copy these 2716 reloc types into the output file. We create a reloc 2717 section in dynobj and make room for this reloc. */ 2718 if (sreloc == NULL) 2719 { 2720 const char *name; 2721 2722 name = (bfd_elf_string_from_elf_section 2723 (abfd, 2724 elf_elfheader (abfd)->e_shstrndx, 2725 elf_section_data (sec)->rel_hdr.sh_name)); 2726 if (name == NULL) 2727 return FALSE; 2728 2729 BFD_ASSERT (CONST_STRNEQ (name, ".rela") 2730 && strcmp (bfd_get_section_name (abfd, sec), 2731 name + 5) == 0); 2732 2733 sreloc = bfd_get_section_by_name (dynobj, name); 2734 if (sreloc == NULL) 2735 { 2736 flagword flags; 2737 2738 flags = (SEC_HAS_CONTENTS | SEC_READONLY 2739 | SEC_IN_MEMORY | SEC_LINKER_CREATED); 2740 if ((sec->flags & SEC_ALLOC) != 0) 2741 flags |= SEC_ALLOC | SEC_LOAD; 2742 sreloc = bfd_make_section_with_flags (dynobj, 2743 name, 2744 flags); 2745 if (sreloc == NULL 2746 || ! bfd_set_section_alignment (dynobj, sreloc, 2)) 2747 return FALSE; 2748 } 2749 } 2750 2751 sreloc->size += sizeof (Elf64_External_Rela); 2752 2753 /* If we are linking with -Bsymbolic, and this is a 2754 global symbol, we count the number of PC relative 2755 relocations we have entered for this symbol, so that 2756 we can discard them again if the symbol is later 2757 defined by a regular object. Note that this function 2758 is only called if we are using an elf_sh linker 2759 hash table, which means that h is really a pointer to 2760 an elf_sh_link_hash_entry. */ 2761 if (h != NULL && info->symbolic 2762 && ELF64_R_TYPE (rel->r_info) == R_SH_64_PCREL) 2763 { 2764 struct elf_sh64_link_hash_entry *eh; 2765 struct elf_sh64_pcrel_relocs_copied *p; 2766 2767 eh = (struct elf_sh64_link_hash_entry *) h; 2768 2769 for (p = eh->pcrel_relocs_copied; p != NULL; p = p->next) 2770 if (p->section == sreloc) 2771 break; 2772 2773 if (p == NULL) 2774 { 2775 p = ((struct elf_sh64_pcrel_relocs_copied *) 2776 bfd_alloc (dynobj, sizeof *p)); 2777 if (p == NULL) 2778 return FALSE; 2779 p->next = eh->pcrel_relocs_copied; 2780 eh->pcrel_relocs_copied = p; 2781 p->section = sreloc; 2782 p->count = 0; 2783 } 2784 2785 ++p->count; 2786 } 2787 } 2788 2789 break; 2790 } 2791 } 2792 2793 return TRUE; 2794} 2795 2796static int 2797sh64_elf64_get_symbol_type (Elf_Internal_Sym * elf_sym, int type) 2798{ 2799 if (ELF_ST_TYPE (elf_sym->st_info) == STT_DATALABEL) 2800 return STT_DATALABEL; 2801 2802 return type; 2803} 2804 2805/* FIXME: This is a copy of sh64_elf_add_symbol_hook in elf32-sh64.c. 2806 Either file can presumably exist without the other, but do not differ 2807 in elf-size-ness. How to share? 2808 2809 Hook called by the linker routine which adds symbols from an object 2810 file. We must make indirect symbols for undefined symbols marked with 2811 STT_DATALABEL, so relocations passing them will pick up that attribute 2812 and neutralize STO_SH5_ISA32 found on the symbol definition. 2813 2814 There is a problem, though: We want to fill in the hash-table entry for 2815 this symbol and signal to the caller that no further processing is 2816 needed. But we don't have the index for this hash-table entry. We 2817 rely here on that the current entry is the first hash-entry with NULL, 2818 which seems brittle. Also, iterating over the hash-table to find that 2819 entry is a linear operation on the number of symbols in this input 2820 file, and this function should take constant time, so that's not good 2821 too. Only comfort is that DataLabel references should only be found in 2822 hand-written assembly code and thus be rare. FIXME: Talk maintainers 2823 into adding an option to elf_add_symbol_hook (preferably) for the index 2824 or the hash entry, alternatively adding the index to Elf_Internal_Sym 2825 (not so good). */ 2826 2827static bfd_boolean 2828sh64_elf64_add_symbol_hook (bfd *abfd, struct bfd_link_info *info, 2829 Elf_Internal_Sym *sym, const char **namep, 2830 flagword *flagsp ATTRIBUTE_UNUSED, 2831 asection **secp, bfd_vma *valp) 2832{ 2833 /* We want to do this for relocatable as well as final linking. */ 2834 if (ELF_ST_TYPE (sym->st_info) == STT_DATALABEL 2835 && is_elf_hash_table (info->hash)) 2836 { 2837 struct elf_link_hash_entry *h; 2838 2839 /* For relocatable links, we register the DataLabel sym in its own 2840 right, and tweak the name when it's output. Otherwise, we make 2841 an indirect symbol of it. */ 2842 flagword flags 2843 = info->relocatable || info->emitrelocations 2844 ? BSF_GLOBAL : BSF_GLOBAL | BSF_INDIRECT; 2845 2846 char *dl_name 2847 = bfd_malloc (strlen (*namep) + sizeof (DATALABEL_SUFFIX)); 2848 struct elf_link_hash_entry ** sym_hash = elf_sym_hashes (abfd); 2849 2850 BFD_ASSERT (sym_hash != NULL); 2851 2852 /* Allocation may fail. */ 2853 if (dl_name == NULL) 2854 return FALSE; 2855 2856 strcpy (dl_name, *namep); 2857 strcat (dl_name, DATALABEL_SUFFIX); 2858 2859 h = (struct elf_link_hash_entry *) 2860 bfd_link_hash_lookup (info->hash, dl_name, FALSE, FALSE, FALSE); 2861 2862 if (h == NULL) 2863 { 2864 /* No previous datalabel symbol. Make one. */ 2865 struct bfd_link_hash_entry *bh = NULL; 2866 const struct elf_backend_data *bed = get_elf_backend_data (abfd); 2867 2868 if (! _bfd_generic_link_add_one_symbol (info, abfd, dl_name, 2869 flags, *secp, *valp, 2870 *namep, FALSE, 2871 bed->collect, &bh)) 2872 { 2873 free (dl_name); 2874 return FALSE; 2875 } 2876 2877 h = (struct elf_link_hash_entry *) bh; 2878 h->non_elf = 0; 2879 h->type = STT_DATALABEL; 2880 } 2881 else 2882 /* If a new symbol was created, it holds the allocated name. 2883 Otherwise, we don't need it anymore and should deallocate it. */ 2884 free (dl_name); 2885 2886 if (h->type != STT_DATALABEL 2887 || ((info->relocatable || info->emitrelocations) 2888 && h->root.type != bfd_link_hash_undefined) 2889 || (! info->relocatable && !info->emitrelocations 2890 && h->root.type != bfd_link_hash_indirect)) 2891 { 2892 /* Make sure we don't get confused on invalid input. */ 2893 (*_bfd_error_handler) 2894 (_("%s: encountered datalabel symbol in input"), 2895 bfd_get_filename (abfd)); 2896 bfd_set_error (bfd_error_bad_value); 2897 return FALSE; 2898 } 2899 2900 /* Now find the hash-table slot for this entry and fill it in. */ 2901 while (*sym_hash != NULL) 2902 sym_hash++; 2903 *sym_hash = h; 2904 2905 /* Signal to caller to skip this symbol - we've handled it. */ 2906 *namep = NULL; 2907 } 2908 2909 return TRUE; 2910} 2911 2912/* This hook function is called before the linker writes out a global 2913 symbol. For relocatable links, DataLabel symbols will be present in 2914 linker output. We cut off the special suffix on those symbols, so the 2915 right name appears in the output. 2916 2917 When linking and emitting relocations, there can appear global symbols 2918 that are not referenced by relocs, but rather only implicitly through 2919 DataLabel references, a relation that is not visible to the linker. 2920 Since no stripping of global symbols in done when doing such linking, 2921 we don't need to look up and make sure to emit the main symbol for each 2922 DataLabel symbol. */ 2923 2924static bfd_boolean 2925sh64_elf64_link_output_symbol_hook (struct bfd_link_info *info, 2926 const char *cname, 2927 Elf_Internal_Sym *sym, 2928 asection *input_sec ATTRIBUTE_UNUSED, 2929 struct elf_link_hash_entry *h ATTRIBUTE_UNUSED) 2930{ 2931 char *name = (char *) cname; 2932 2933 if (info->relocatable || info->emitrelocations) 2934 { 2935 if (ELF_ST_TYPE (sym->st_info) == STT_DATALABEL) 2936 name[strlen (name) - strlen (DATALABEL_SUFFIX)] = 0; 2937 } 2938 2939 return TRUE; 2940} 2941 2942/* Set bit 0 on the entry address; it always points to SHmedia code. This 2943 is mostly for symmetry with the 32-bit format, where code can be 2944 SHcompact and we need to make a distinction to make sure execution 2945 starts in the right ISA mode. It is also convenient for a loader, 2946 which would otherwise have to set this bit when loading a TR register 2947 before jumping to the program entry. */ 2948 2949static void 2950sh64_elf64_final_write_processing (bfd *abfd, 2951 bfd_boolean linker ATTRIBUTE_UNUSED) 2952{ 2953 /* FIXME: Perhaps we shouldn't do this if the entry address was supplied 2954 numerically, but we currently lack the infrastructure to recognize 2955 that: The entry symbol, and info whether it is numeric or a symbol 2956 name is kept private in the linker. */ 2957 if (elf_elfheader (abfd)->e_type == ET_EXEC) 2958 elf_elfheader (abfd)->e_entry |= 1; 2959} 2960 2961/* First entry in an absolute procedure linkage table look like this. */ 2962 2963static const bfd_byte elf_sh64_plt0_entry_be[PLT_ENTRY_SIZE] = 2964{ 2965 0xcc, 0x00, 0x01, 0x10, /* movi .got.plt >> 48, r17 */ 2966 0xc8, 0x00, 0x01, 0x10, /* shori (.got.plt >> 32) & 65535, r17 */ 2967 0xc8, 0x00, 0x01, 0x10, /* shori (.got.plt >> 16) & 65535, r17 */ 2968 0xc8, 0x00, 0x01, 0x10, /* shori .got.plt & 65535, r17 */ 2969 0x8d, 0x10, 0x09, 0x90, /* ld.q r17, 16, r25 */ 2970 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */ 2971 0x8d, 0x10, 0x05, 0x10, /* ld.q r17, 8, r17 */ 2972 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */ 2973 0x6f, 0xf0, 0xff, 0xf0, /* nop */ 2974 0x6f, 0xf0, 0xff, 0xf0, /* nop */ 2975 0x6f, 0xf0, 0xff, 0xf0, /* nop */ 2976 0x6f, 0xf0, 0xff, 0xf0, /* nop */ 2977 0x6f, 0xf0, 0xff, 0xf0, /* nop */ 2978 0x6f, 0xf0, 0xff, 0xf0, /* nop */ 2979 0x6f, 0xf0, 0xff, 0xf0, /* nop */ 2980 0x6f, 0xf0, 0xff, 0xf0, /* nop */ 2981}; 2982 2983static const bfd_byte elf_sh64_plt0_entry_le[PLT_ENTRY_SIZE] = 2984{ 2985 0x10, 0x01, 0x00, 0xcc, /* movi .got.plt >> 16, r17 */ 2986 0x10, 0x01, 0x00, 0xc8, /* shori (.got.plt >> 32) & 65535, r17 */ 2987 0x10, 0x01, 0x00, 0xc8, /* shori (.got.plt >> 16) & 65535, r17 */ 2988 0x10, 0x01, 0x00, 0xc8, /* shori .got.plt & 65535, r17 */ 2989 0x90, 0x09, 0x10, 0x8d, /* ld.q r17, 16, r25 */ 2990 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */ 2991 0x10, 0x05, 0x10, 0x8d, /* ld.q r17, 8, r17 */ 2992 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */ 2993 0xf0, 0xff, 0xf0, 0x6f, /* nop */ 2994 0xf0, 0xff, 0xf0, 0x6f, /* nop */ 2995 0xf0, 0xff, 0xf0, 0x6f, /* nop */ 2996 0xf0, 0xff, 0xf0, 0x6f, /* nop */ 2997 0xf0, 0xff, 0xf0, 0x6f, /* nop */ 2998 0xf0, 0xff, 0xf0, 0x6f, /* nop */ 2999 0xf0, 0xff, 0xf0, 0x6f, /* nop */ 3000 0xf0, 0xff, 0xf0, 0x6f, /* nop */ 3001}; 3002 3003/* Sebsequent entries in an absolute procedure linkage table look like 3004 this. */ 3005 3006static const bfd_byte elf_sh64_plt_entry_be[PLT_ENTRY_SIZE] = 3007{ 3008 0xcc, 0x00, 0x01, 0x90, /* movi nameN-in-GOT >> 48, r25 */ 3009 0xc8, 0x00, 0x01, 0x90, /* shori (nameN-in-GOT >> 32) & 65535, r25 */ 3010 0xc8, 0x00, 0x01, 0x90, /* shori (nameN-in-GOT >> 16) & 65535, r25 */ 3011 0xc8, 0x00, 0x01, 0x90, /* shori nameN-in-GOT & 65535, r25 */ 3012 0x8d, 0x90, 0x01, 0x90, /* ld.q r25, 0, r25 */ 3013 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */ 3014 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */ 3015 0x6f, 0xf0, 0xff, 0xf0, /* nop */ 3016 0xcc, 0x00, 0x01, 0x90, /* movi (.+8-.PLT0) >> 16, r25 */ 3017 0xc8, 0x00, 0x01, 0x90, /* shori (.+4-.PLT0) & 65535, r25 */ 3018 0x6b, 0xf5, 0x66, 0x00, /* ptrel r25, tr0 */ 3019 0xcc, 0x00, 0x01, 0x50, /* movi reloc-offset >> 16, r21 */ 3020 0xc8, 0x00, 0x01, 0x50, /* shori reloc-offset & 65535, r21 */ 3021 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */ 3022 0x6f, 0xf0, 0xff, 0xf0, /* nop */ 3023 0x6f, 0xf0, 0xff, 0xf0, /* nop */ 3024}; 3025 3026static const bfd_byte elf_sh64_plt_entry_le[PLT_ENTRY_SIZE] = 3027{ 3028 0x90, 0x01, 0x00, 0xcc, /* movi nameN-in-GOT >> 16, r25 */ 3029 0x90, 0x01, 0x00, 0xc8, /* shori nameN-in-GOT & 65535, r25 */ 3030 0x90, 0x01, 0x00, 0xc8, /* shori nameN-in-GOT & 65535, r25 */ 3031 0x90, 0x01, 0x00, 0xc8, /* shori nameN-in-GOT & 65535, r25 */ 3032 0x90, 0x01, 0x90, 0x8d, /* ld.q r25, 0, r25 */ 3033 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */ 3034 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */ 3035 0xf0, 0xff, 0xf0, 0x6f, /* nop */ 3036 0x90, 0x01, 0x00, 0xcc, /* movi (.+8-.PLT0) >> 16, r25 */ 3037 0x90, 0x01, 0x00, 0xc8, /* shori (.+4-.PLT0) & 65535, r25 */ 3038 0x00, 0x66, 0xf5, 0x6b, /* ptrel r25, tr0 */ 3039 0x50, 0x01, 0x00, 0xcc, /* movi reloc-offset >> 16, r21 */ 3040 0x50, 0x01, 0x00, 0xc8, /* shori reloc-offset & 65535, r21 */ 3041 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */ 3042 0xf0, 0xff, 0xf0, 0x6f, /* nop */ 3043 0xf0, 0xff, 0xf0, 0x6f, /* nop */ 3044}; 3045 3046/* Entries in a PIC procedure linkage table look like this. */ 3047 3048static const bfd_byte elf_sh64_pic_plt_entry_be[PLT_ENTRY_SIZE] = 3049{ 3050 0xcc, 0x00, 0x01, 0x90, /* movi nameN@GOT >> 16, r25 */ 3051 0xc8, 0x00, 0x01, 0x90, /* shori nameN@GOT & 65535, r25 */ 3052 0x40, 0xc3, 0x65, 0x90, /* ldx.q r12, r25, r25 */ 3053 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */ 3054 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */ 3055 0x6f, 0xf0, 0xff, 0xf0, /* nop */ 3056 0x6f, 0xf0, 0xff, 0xf0, /* nop */ 3057 0x6f, 0xf0, 0xff, 0xf0, /* nop */ 3058 0xce, 0x00, 0x01, 0x10, /* movi -GOT_BIAS, r17 */ 3059 0x00, 0xc9, 0x45, 0x10, /* add r12, r17, r17 */ 3060 0x8d, 0x10, 0x09, 0x90, /* ld.q r17, 16, r25 */ 3061 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */ 3062 0x8d, 0x10, 0x05, 0x10, /* ld.q r17, 8, r17 */ 3063 0xcc, 0x00, 0x01, 0x50, /* movi reloc-offset >> 16, r21 */ 3064 0xc8, 0x00, 0x01, 0x50, /* shori reloc-offset & 65535, r21 */ 3065 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */ 3066}; 3067 3068static const bfd_byte elf_sh64_pic_plt_entry_le[PLT_ENTRY_SIZE] = 3069{ 3070 0x90, 0x01, 0x00, 0xcc, /* movi nameN@GOT >> 16, r25 */ 3071 0x90, 0x01, 0x00, 0xc8, /* shori nameN@GOT & 65535, r25 */ 3072 0x90, 0x65, 0xc3, 0x40, /* ldx.q r12, r25, r25 */ 3073 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */ 3074 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */ 3075 0xf0, 0xff, 0xf0, 0x6f, /* nop */ 3076 0xf0, 0xff, 0xf0, 0x6f, /* nop */ 3077 0xf0, 0xff, 0xf0, 0x6f, /* nop */ 3078 0x10, 0x01, 0x00, 0xce, /* movi -GOT_BIAS, r17 */ 3079 0x10, 0x45, 0xc9, 0x00, /* add r12, r17, r17 */ 3080 0x90, 0x09, 0x10, 0x8d, /* ld.q r17, 16, r25 */ 3081 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */ 3082 0x10, 0x05, 0x10, 0x8d, /* ld.q r17, 8, r17 */ 3083 0x50, 0x01, 0x00, 0xcc, /* movi reloc-offset >> 16, r21 */ 3084 0x50, 0x01, 0x00, 0xc8, /* shori reloc-offset & 65535, r21 */ 3085 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */ 3086}; 3087 3088static const bfd_byte *elf_sh64_plt0_entry; 3089static const bfd_byte *elf_sh64_plt_entry; 3090static const bfd_byte *elf_sh64_pic_plt_entry; 3091 3092/* Create an entry in an sh ELF linker hash table. */ 3093 3094static struct bfd_hash_entry * 3095sh64_elf64_link_hash_newfunc (struct bfd_hash_entry *entry, 3096 struct bfd_hash_table *table, 3097 const char *string) 3098{ 3099 struct elf_sh64_link_hash_entry *ret = 3100 (struct elf_sh64_link_hash_entry *) entry; 3101 3102 /* Allocate the structure if it has not already been allocated by a 3103 subclass. */ 3104 if (ret == (struct elf_sh64_link_hash_entry *) NULL) 3105 ret = ((struct elf_sh64_link_hash_entry *) 3106 bfd_hash_allocate (table, 3107 sizeof (struct elf_sh64_link_hash_entry))); 3108 if (ret == (struct elf_sh64_link_hash_entry *) NULL) 3109 return (struct bfd_hash_entry *) ret; 3110 3111 /* Call the allocation method of the superclass. */ 3112 ret = ((struct elf_sh64_link_hash_entry *) 3113 _bfd_elf_link_hash_newfunc ((struct bfd_hash_entry *) ret, 3114 table, string)); 3115 if (ret != (struct elf_sh64_link_hash_entry *) NULL) 3116 { 3117 ret->pcrel_relocs_copied = NULL; 3118 ret->datalabel_got_offset = (bfd_vma) -1; 3119 } 3120 3121 return (struct bfd_hash_entry *) ret; 3122} 3123 3124/* Create an sh64 ELF linker hash table. */ 3125 3126static struct bfd_link_hash_table * 3127sh64_elf64_link_hash_table_create (bfd *abfd) 3128{ 3129 struct elf_sh64_link_hash_table *ret; 3130 3131 ret = ((struct elf_sh64_link_hash_table *) 3132 bfd_malloc (sizeof (struct elf_sh64_link_hash_table))); 3133 if (ret == (struct elf_sh64_link_hash_table *) NULL) 3134 return NULL; 3135 3136 if (!_bfd_elf_link_hash_table_init (&ret->root, abfd, 3137 sh64_elf64_link_hash_newfunc, 3138 sizeof (struct elf_sh64_link_hash_entry))) 3139 { 3140 free (ret); 3141 return NULL; 3142 } 3143 3144 return &ret->root.root; 3145} 3146 3147inline static void 3148movi_shori_putval (bfd *output_bfd, unsigned long value, bfd_byte *addr) 3149{ 3150 bfd_put_32 (output_bfd, 3151 bfd_get_32 (output_bfd, addr) 3152 | ((value >> 6) & 0x3fffc00), 3153 addr); 3154 bfd_put_32 (output_bfd, 3155 bfd_get_32 (output_bfd, addr + 4) 3156 | ((value << 10) & 0x3fffc00), 3157 addr + 4); 3158} 3159 3160inline static void 3161movi_3shori_putval (bfd *output_bfd, bfd_vma value, bfd_byte *addr) 3162{ 3163 bfd_put_32 (output_bfd, 3164 bfd_get_32 (output_bfd, addr) 3165 | ((value >> 38) & 0x3fffc00), 3166 addr); 3167 bfd_put_32 (output_bfd, 3168 bfd_get_32 (output_bfd, addr + 4) 3169 | ((value >> 22) & 0x3fffc00), 3170 addr + 4); 3171 bfd_put_32 (output_bfd, 3172 bfd_get_32 (output_bfd, addr + 8) 3173 | ((value >> 6) & 0x3fffc00), 3174 addr + 8); 3175 bfd_put_32 (output_bfd, 3176 bfd_get_32 (output_bfd, addr + 12) 3177 | ((value << 10) & 0x3fffc00), 3178 addr + 12); 3179} 3180 3181/* Create dynamic sections when linking against a dynamic object. */ 3182 3183static bfd_boolean 3184sh64_elf64_create_dynamic_sections (bfd *abfd, struct bfd_link_info *info) 3185{ 3186 flagword flags, pltflags; 3187 register asection *s; 3188 const struct elf_backend_data *bed = get_elf_backend_data (abfd); 3189 int ptralign = 0; 3190 3191 switch (bed->s->arch_size) 3192 { 3193 case 32: 3194 ptralign = 2; 3195 break; 3196 3197 case 64: 3198 ptralign = 3; 3199 break; 3200 3201 default: 3202 bfd_set_error (bfd_error_bad_value); 3203 return FALSE; 3204 } 3205 3206 /* We need to create .plt, .rel[a].plt, .got, .got.plt, .dynbss, and 3207 .rel[a].bss sections. */ 3208 3209 flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY 3210 | SEC_LINKER_CREATED); 3211 3212 pltflags = flags; 3213 pltflags |= SEC_CODE; 3214 if (bed->plt_not_loaded) 3215 pltflags &= ~ (SEC_LOAD | SEC_HAS_CONTENTS); 3216 if (bed->plt_readonly) 3217 pltflags |= SEC_READONLY; 3218 3219 s = bfd_make_section_with_flags (abfd, ".plt", pltflags); 3220 if (s == NULL 3221 || ! bfd_set_section_alignment (abfd, s, bed->plt_alignment)) 3222 return FALSE; 3223 3224 if (bed->want_plt_sym) 3225 { 3226 /* Define the symbol _PROCEDURE_LINKAGE_TABLE_ at the start of the 3227 .plt section. */ 3228 struct elf_link_hash_entry *h; 3229 struct bfd_link_hash_entry *bh = NULL; 3230 3231 if (! (_bfd_generic_link_add_one_symbol 3232 (info, abfd, "_PROCEDURE_LINKAGE_TABLE_", BSF_GLOBAL, s, 3233 (bfd_vma) 0, (const char *) NULL, FALSE, bed->collect, &bh))) 3234 return FALSE; 3235 3236 h = (struct elf_link_hash_entry *) bh; 3237 h->def_regular = 1; 3238 h->type = STT_OBJECT; 3239 elf_hash_table (info)->hplt = h; 3240 3241 if (info->shared 3242 && ! bfd_elf_link_record_dynamic_symbol (info, h)) 3243 return FALSE; 3244 } 3245 3246 s = bfd_make_section_with_flags (abfd, 3247 bed->default_use_rela_p ? ".rela.plt" : ".rel.plt", 3248 flags | SEC_READONLY); 3249 if (s == NULL 3250 || ! bfd_set_section_alignment (abfd, s, ptralign)) 3251 return FALSE; 3252 3253 if (! _bfd_elf_create_got_section (abfd, info)) 3254 return FALSE; 3255 3256 { 3257 const char *secname; 3258 char *relname; 3259 flagword secflags; 3260 asection *sec; 3261 3262 for (sec = abfd->sections; sec; sec = sec->next) 3263 { 3264 secflags = bfd_get_section_flags (abfd, sec); 3265 if ((secflags & (SEC_DATA | SEC_LINKER_CREATED)) 3266 || ((secflags & SEC_HAS_CONTENTS) != SEC_HAS_CONTENTS)) 3267 continue; 3268 secname = bfd_get_section_name (abfd, sec); 3269 relname = (char *) bfd_malloc (strlen (secname) + 6); 3270 strcpy (relname, ".rela"); 3271 strcat (relname, secname); 3272 s = bfd_make_section_with_flags (abfd, relname, 3273 flags | SEC_READONLY); 3274 if (s == NULL 3275 || ! bfd_set_section_alignment (abfd, s, ptralign)) 3276 return FALSE; 3277 } 3278 } 3279 3280 if (bed->want_dynbss) 3281 { 3282 /* The .dynbss section is a place to put symbols which are defined 3283 by dynamic objects, are referenced by regular objects, and are 3284 not functions. We must allocate space for them in the process 3285 image and use a R_*_COPY reloc to tell the dynamic linker to 3286 initialize them at run time. The linker script puts the .dynbss 3287 section into the .bss section of the final image. */ 3288 s = bfd_make_section_with_flags (abfd, ".dynbss", 3289 SEC_ALLOC | SEC_LINKER_CREATED); 3290 if (s == NULL) 3291 return FALSE; 3292 3293 /* The .rel[a].bss section holds copy relocs. This section is not 3294 normally needed. We need to create it here, though, so that the 3295 linker will map it to an output section. We can't just create it 3296 only if we need it, because we will not know whether we need it 3297 until we have seen all the input files, and the first time the 3298 main linker code calls BFD after examining all the input files 3299 (size_dynamic_sections) the input sections have already been 3300 mapped to the output sections. If the section turns out not to 3301 be needed, we can discard it later. We will never need this 3302 section when generating a shared object, since they do not use 3303 copy relocs. */ 3304 if (! info->shared) 3305 { 3306 s = bfd_make_section_with_flags (abfd, 3307 (bed->default_use_rela_p 3308 ? ".rela.bss" : ".rel.bss"), 3309 flags | SEC_READONLY); 3310 if (s == NULL 3311 || ! bfd_set_section_alignment (abfd, s, ptralign)) 3312 return FALSE; 3313 } 3314 } 3315 3316 return TRUE; 3317} 3318 3319/* Adjust a symbol defined by a dynamic object and referenced by a 3320 regular object. The current definition is in some section of the 3321 dynamic object, but we're not including those sections. We have to 3322 change the definition to something the rest of the link can 3323 understand. */ 3324 3325static bfd_boolean 3326sh64_elf64_adjust_dynamic_symbol (struct bfd_link_info *info, 3327 struct elf_link_hash_entry *h) 3328{ 3329 bfd *dynobj; 3330 asection *s; 3331 3332 dynobj = elf_hash_table (info)->dynobj; 3333 3334 /* Make sure we know what is going on here. */ 3335 BFD_ASSERT (dynobj != NULL 3336 && (h->needs_plt 3337 || h->u.weakdef != NULL 3338 || (h->def_dynamic 3339 && h->ref_regular 3340 && !h->def_regular))); 3341 3342 /* If this is a function, put it in the procedure linkage table. We 3343 will fill in the contents of the procedure linkage table later, 3344 when we know the address of the .got section. */ 3345 if (h->type == STT_FUNC 3346 || h->needs_plt) 3347 { 3348 if (! info->shared 3349 && !h->def_dynamic 3350 && !h->ref_dynamic) 3351 { 3352 /* This case can occur if we saw a PLT reloc in an input 3353 file, but the symbol was never referred to by a dynamic 3354 object. In such a case, we don't actually need to build 3355 a procedure linkage table, and we can just do a REL64 3356 reloc instead. */ 3357 BFD_ASSERT (h->needs_plt); 3358 return TRUE; 3359 } 3360 3361 /* Make sure this symbol is output as a dynamic symbol. */ 3362 if (h->dynindx == -1) 3363 { 3364 if (! bfd_elf_link_record_dynamic_symbol (info, h)) 3365 return FALSE; 3366 } 3367 3368 s = bfd_get_section_by_name (dynobj, ".plt"); 3369 BFD_ASSERT (s != NULL); 3370 3371 /* If this is the first .plt entry, make room for the special 3372 first entry. */ 3373 if (s->size == 0) 3374 s->size += PLT_ENTRY_SIZE; 3375 3376 /* If this symbol is not defined in a regular file, and we are 3377 not generating a shared library, then set the symbol to this 3378 location in the .plt. This is required to make function 3379 pointers compare as equal between the normal executable and 3380 the shared library. */ 3381 if (! info->shared 3382 && !h->def_regular) 3383 { 3384 h->root.u.def.section = s; 3385 h->root.u.def.value = s->size; 3386 } 3387 3388 h->plt.offset = s->size; 3389 3390 /* Make room for this entry. */ 3391 s->size += elf_sh64_sizeof_plt (info); 3392 3393 /* We also need to make an entry in the .got.plt section, which 3394 will be placed in the .got section by the linker script. */ 3395 3396 s = bfd_get_section_by_name (dynobj, ".got.plt"); 3397 BFD_ASSERT (s != NULL); 3398 s->size += 8; 3399 3400 /* We also need to make an entry in the .rela.plt section. */ 3401 3402 s = bfd_get_section_by_name (dynobj, ".rela.plt"); 3403 BFD_ASSERT (s != NULL); 3404 s->size += sizeof (Elf64_External_Rela); 3405 3406 return TRUE; 3407 } 3408 3409 /* If this is a weak symbol, and there is a real definition, the 3410 processor independent code will have arranged for us to see the 3411 real definition first, and we can just use the same value. */ 3412 if (h->u.weakdef != NULL) 3413 { 3414 BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined 3415 || h->u.weakdef->root.type == bfd_link_hash_defweak); 3416 h->root.u.def.section = h->u.weakdef->root.u.def.section; 3417 h->root.u.def.value = h->u.weakdef->root.u.def.value; 3418 return TRUE; 3419 } 3420 3421 /* This is a reference to a symbol defined by a dynamic object which 3422 is not a function. */ 3423 3424 /* If we are creating a shared library, we must presume that the 3425 only references to the symbol are via the global offset table. 3426 For such cases we need not do anything here; the relocations will 3427 be handled correctly by relocate_section. */ 3428 if (info->shared) 3429 return TRUE; 3430 3431 /* If there are no references to this symbol that do not use the 3432 GOT, we don't need to generate a copy reloc. */ 3433 if (!h->non_got_ref) 3434 return TRUE; 3435 3436 if (h->size == 0) 3437 { 3438 (*_bfd_error_handler) (_("dynamic variable `%s' is zero size"), 3439 h->root.root.string); 3440 return TRUE; 3441 } 3442 3443 /* We must allocate the symbol in our .dynbss section, which will 3444 become part of the .bss section of the executable. There will be 3445 an entry for this symbol in the .dynsym section. The dynamic 3446 object will contain position independent code, so all references 3447 from the dynamic object to this symbol will go through the global 3448 offset table. The dynamic linker will use the .dynsym entry to 3449 determine the address it must put in the global offset table, so 3450 both the dynamic object and the regular object will refer to the 3451 same memory location for the variable. */ 3452 3453 s = bfd_get_section_by_name (dynobj, ".dynbss"); 3454 BFD_ASSERT (s != NULL); 3455 3456 /* We must generate a R_SH_COPY reloc to tell the dynamic linker to 3457 copy the initial value out of the dynamic object and into the 3458 runtime process image. We need to remember the offset into the 3459 .rela.bss section we are going to use. */ 3460 if ((h->root.u.def.section->flags & SEC_ALLOC) != 0) 3461 { 3462 asection *srel; 3463 3464 srel = bfd_get_section_by_name (dynobj, ".rela.bss"); 3465 BFD_ASSERT (srel != NULL); 3466 srel->size += sizeof (Elf64_External_Rela); 3467 h->needs_copy = 1; 3468 } 3469 3470 return _bfd_elf_adjust_dynamic_copy (h, s); 3471} 3472 3473/* This function is called via sh_elf_link_hash_traverse if we are 3474 creating a shared object with -Bsymbolic. It discards the space 3475 allocated to copy PC relative relocs against symbols which are 3476 defined in regular objects. We allocated space for them in the 3477 check_relocs routine, but we won't fill them in in the 3478 relocate_section routine. */ 3479 3480static bfd_boolean 3481sh64_elf64_discard_copies (struct elf_sh64_link_hash_entry *h, 3482 void *ignore ATTRIBUTE_UNUSED) 3483{ 3484 struct elf_sh64_pcrel_relocs_copied *s; 3485 3486 if (h->root.root.type == bfd_link_hash_warning) 3487 h = (struct elf_sh64_link_hash_entry *) h->root.root.u.i.link; 3488 3489 /* We only discard relocs for symbols defined in a regular object. */ 3490 if (!h->root.def_regular) 3491 return TRUE; 3492 3493 for (s = h->pcrel_relocs_copied; s != NULL; s = s->next) 3494 s->section->size -= s->count * sizeof (Elf64_External_Rela); 3495 3496 return TRUE; 3497} 3498 3499/* Set the sizes of the dynamic sections. */ 3500 3501static bfd_boolean 3502sh64_elf64_size_dynamic_sections (bfd *output_bfd, 3503 struct bfd_link_info *info) 3504{ 3505 bfd *dynobj; 3506 asection *s; 3507 bfd_boolean plt; 3508 bfd_boolean relocs; 3509 bfd_boolean reltext; 3510 3511 dynobj = elf_hash_table (info)->dynobj; 3512 BFD_ASSERT (dynobj != NULL); 3513 3514 if (elf_hash_table (info)->dynamic_sections_created) 3515 { 3516 /* Set the contents of the .interp section to the interpreter. */ 3517 if (info->executable) 3518 { 3519 s = bfd_get_section_by_name (dynobj, ".interp"); 3520 BFD_ASSERT (s != NULL); 3521 s->size = sizeof ELF_DYNAMIC_INTERPRETER; 3522 s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER; 3523 } 3524 } 3525 else 3526 { 3527 /* We may have created entries in the .rela.got section. 3528 However, if we are not creating the dynamic sections, we will 3529 not actually use these entries. Reset the size of .rela.got, 3530 which will cause it to get stripped from the output file 3531 below. */ 3532 s = bfd_get_section_by_name (dynobj, ".rela.got"); 3533 if (s != NULL) 3534 s->size = 0; 3535 } 3536 3537 /* If this is a -Bsymbolic shared link, then we need to discard all 3538 PC relative relocs against symbols defined in a regular object. 3539 We allocated space for them in the check_relocs routine, but we 3540 will not fill them in in the relocate_section routine. */ 3541 if (info->shared && info->symbolic) 3542 sh64_elf64_link_hash_traverse (sh64_elf64_hash_table (info), 3543 sh64_elf64_discard_copies, NULL); 3544 3545 /* The check_relocs and adjust_dynamic_symbol entry points have 3546 determined the sizes of the various dynamic sections. Allocate 3547 memory for them. */ 3548 plt = FALSE; 3549 relocs = FALSE; 3550 reltext = FALSE; 3551 for (s = dynobj->sections; s != NULL; s = s->next) 3552 { 3553 const char *name; 3554 3555 if ((s->flags & SEC_LINKER_CREATED) == 0) 3556 continue; 3557 3558 /* It's OK to base decisions on the section name, because none 3559 of the dynobj section names depend upon the input files. */ 3560 name = bfd_get_section_name (dynobj, s); 3561 3562 if (strcmp (name, ".plt") == 0) 3563 { 3564 /* Remember whether there is a PLT. */ 3565 plt = s->size != 0; 3566 } 3567 else if (CONST_STRNEQ (name, ".rela")) 3568 { 3569 if (s->size != 0) 3570 { 3571 asection *target; 3572 3573 /* Remember whether there are any reloc sections other 3574 than .rela.plt. */ 3575 if (strcmp (name, ".rela.plt") != 0) 3576 { 3577 const char *outname; 3578 3579 relocs = TRUE; 3580 3581 /* If this relocation section applies to a read only 3582 section, then we probably need a DT_TEXTREL 3583 entry. The entries in the .rela.plt section 3584 really apply to the .got section, which we 3585 created ourselves and so know is not readonly. */ 3586 outname = bfd_get_section_name (output_bfd, 3587 s->output_section); 3588 target = bfd_get_section_by_name (output_bfd, outname + 5); 3589 if (target != NULL 3590 && (target->flags & SEC_READONLY) != 0 3591 && (target->flags & SEC_ALLOC) != 0) 3592 reltext = TRUE; 3593 } 3594 3595 /* We use the reloc_count field as a counter if we need 3596 to copy relocs into the output file. */ 3597 s->reloc_count = 0; 3598 } 3599 } 3600 else if (! CONST_STRNEQ (name, ".got") 3601 && strcmp (name, ".dynbss") != 0) 3602 { 3603 /* It's not one of our sections, so don't allocate space. */ 3604 continue; 3605 } 3606 3607 if (s->size == 0) 3608 { 3609 /* If we don't need this section, strip it from the 3610 output file. This is mostly to handle .rela.bss and 3611 .rela.plt. We must create both sections in 3612 create_dynamic_sections, because they must be created 3613 before the linker maps input sections to output 3614 sections. The linker does that before 3615 adjust_dynamic_symbol is called, and it is that 3616 function which decides whether anything needs to go 3617 into these sections. */ 3618 s->flags |= SEC_EXCLUDE; 3619 continue; 3620 } 3621 3622 if ((s->flags & SEC_HAS_CONTENTS) == 0) 3623 continue; 3624 3625 /* Allocate memory for the section contents. */ 3626 s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size); 3627 if (s->contents == NULL) 3628 return FALSE; 3629 } 3630 3631 if (elf_hash_table (info)->dynamic_sections_created) 3632 { 3633 /* Add some entries to the .dynamic section. We fill in the 3634 values later, in sh64_elf64_finish_dynamic_sections, but we 3635 must add the entries now so that we get the correct size for 3636 the .dynamic section. The DT_DEBUG entry is filled in by the 3637 dynamic linker and used by the debugger. */ 3638 if (info->executable) 3639 { 3640 if (!_bfd_elf_add_dynamic_entry (info, DT_DEBUG, 0)) 3641 return FALSE; 3642 } 3643 3644 if (plt) 3645 { 3646 if (!_bfd_elf_add_dynamic_entry (info, DT_PLTGOT, 0) 3647 || !_bfd_elf_add_dynamic_entry (info, DT_PLTRELSZ, 0) 3648 || !_bfd_elf_add_dynamic_entry (info, DT_PLTREL, DT_RELA) 3649 || !_bfd_elf_add_dynamic_entry (info, DT_JMPREL, 0)) 3650 return FALSE; 3651 } 3652 3653 if (relocs) 3654 { 3655 if (!_bfd_elf_add_dynamic_entry (info, DT_RELA, 0) 3656 || !_bfd_elf_add_dynamic_entry (info, DT_RELASZ, 0) 3657 || !_bfd_elf_add_dynamic_entry (info, DT_RELAENT, 3658 sizeof (Elf64_External_Rela))) 3659 return FALSE; 3660 } 3661 3662 if (reltext) 3663 { 3664 if (!_bfd_elf_add_dynamic_entry (info, DT_TEXTREL, 0)) 3665 return FALSE; 3666 } 3667 } 3668 3669 return TRUE; 3670} 3671 3672/* Finish up dynamic symbol handling. We set the contents of various 3673 dynamic sections here. */ 3674 3675static bfd_boolean 3676sh64_elf64_finish_dynamic_symbol (bfd *output_bfd, 3677 struct bfd_link_info *info, 3678 struct elf_link_hash_entry *h, 3679 Elf_Internal_Sym *sym) 3680{ 3681 bfd *dynobj; 3682 3683 dynobj = elf_hash_table (info)->dynobj; 3684 3685 if (h->plt.offset != (bfd_vma) -1) 3686 { 3687 asection *splt; 3688 asection *sgot; 3689 asection *srel; 3690 3691 bfd_vma plt_index; 3692 bfd_vma got_offset; 3693 Elf_Internal_Rela rel; 3694 bfd_byte *loc; 3695 3696 /* This symbol has an entry in the procedure linkage table. Set 3697 it up. */ 3698 3699 BFD_ASSERT (h->dynindx != -1); 3700 3701 splt = bfd_get_section_by_name (dynobj, ".plt"); 3702 sgot = bfd_get_section_by_name (dynobj, ".got.plt"); 3703 srel = bfd_get_section_by_name (dynobj, ".rela.plt"); 3704 BFD_ASSERT (splt != NULL && sgot != NULL && srel != NULL); 3705 3706 /* Get the index in the procedure linkage table which 3707 corresponds to this symbol. This is the index of this symbol 3708 in all the symbols for which we are making plt entries. The 3709 first entry in the procedure linkage table is reserved. */ 3710 plt_index = h->plt.offset / elf_sh64_sizeof_plt (info) - 1; 3711 3712 /* Get the offset into the .got table of the entry that 3713 corresponds to this function. Each .got entry is 8 bytes. 3714 The first three are reserved. */ 3715 got_offset = (plt_index + 3) * 8; 3716 3717 if (info->shared) 3718 got_offset -= GOT_BIAS; 3719 3720 /* Fill in the entry in the procedure linkage table. */ 3721 if (! info->shared) 3722 { 3723 if (elf_sh64_plt_entry == NULL) 3724 { 3725 elf_sh64_plt_entry = (bfd_big_endian (output_bfd) ? 3726 elf_sh64_plt_entry_be : elf_sh64_plt_entry_le); 3727 } 3728 memcpy (splt->contents + h->plt.offset, elf_sh64_plt_entry, 3729 elf_sh64_sizeof_plt (info)); 3730 movi_3shori_putval (output_bfd, 3731 (sgot->output_section->vma 3732 + sgot->output_offset 3733 + got_offset), 3734 (splt->contents + h->plt.offset 3735 + elf_sh64_plt_symbol_offset (info))); 3736 3737 /* Set bottom bit because its for a branch to SHmedia */ 3738 movi_shori_putval (output_bfd, 3739 -(h->plt.offset 3740 + elf_sh64_plt_plt0_offset (info) + 8) 3741 | 1, 3742 (splt->contents + h->plt.offset 3743 + elf_sh64_plt_plt0_offset (info))); 3744 } 3745 else 3746 { 3747 if (elf_sh64_pic_plt_entry == NULL) 3748 { 3749 elf_sh64_pic_plt_entry = (bfd_big_endian (output_bfd) ? 3750 elf_sh64_pic_plt_entry_be : 3751 elf_sh64_pic_plt_entry_le); 3752 } 3753 memcpy (splt->contents + h->plt.offset, elf_sh64_pic_plt_entry, 3754 elf_sh64_sizeof_plt (info)); 3755 movi_shori_putval (output_bfd, got_offset, 3756 (splt->contents + h->plt.offset 3757 + elf_sh64_plt_symbol_offset (info))); 3758 } 3759 3760 if (info->shared) 3761 got_offset += GOT_BIAS; 3762 3763 movi_shori_putval (output_bfd, 3764 plt_index * sizeof (Elf64_External_Rela), 3765 (splt->contents + h->plt.offset 3766 + elf_sh64_plt_reloc_offset (info))); 3767 3768 /* Fill in the entry in the global offset table. */ 3769 bfd_put_64 (output_bfd, 3770 (splt->output_section->vma 3771 + splt->output_offset 3772 + h->plt.offset 3773 + elf_sh64_plt_temp_offset (info)), 3774 sgot->contents + got_offset); 3775 3776 /* Fill in the entry in the .rela.plt section. */ 3777 rel.r_offset = (sgot->output_section->vma 3778 + sgot->output_offset 3779 + got_offset); 3780 rel.r_info = ELF64_R_INFO (h->dynindx, R_SH_JMP_SLOT64); 3781 rel.r_addend = 0; 3782 rel.r_addend = GOT_BIAS; 3783 loc = srel->contents + plt_index * sizeof (Elf64_External_Rela); 3784 bfd_elf64_swap_reloca_out (output_bfd, &rel, loc); 3785 3786 if (!h->def_regular) 3787 { 3788 /* Mark the symbol as undefined, rather than as defined in 3789 the .plt section. Leave the value alone. */ 3790 sym->st_shndx = SHN_UNDEF; 3791 } 3792 } 3793 3794 if (h->got.offset != (bfd_vma) -1) 3795 { 3796 asection *sgot; 3797 asection *srel; 3798 Elf_Internal_Rela rel; 3799 bfd_byte *loc; 3800 3801 /* This symbol has an entry in the global offset table. Set it 3802 up. */ 3803 3804 sgot = bfd_get_section_by_name (dynobj, ".got"); 3805 srel = bfd_get_section_by_name (dynobj, ".rela.got"); 3806 BFD_ASSERT (sgot != NULL && srel != NULL); 3807 3808 rel.r_offset = (sgot->output_section->vma 3809 + sgot->output_offset 3810 + (h->got.offset &~ 1)); 3811 3812 /* If this is a -Bsymbolic link, and the symbol is defined 3813 locally, we just want to emit a RELATIVE reloc. Likewise if 3814 the symbol was forced to be local because of a version file. 3815 The entry in the global offset table will already have been 3816 initialized in the relocate_section function. */ 3817 if (info->shared 3818 && (info->symbolic || h->dynindx == -1) 3819 && h->def_regular) 3820 { 3821 rel.r_info = ELF64_R_INFO (0, R_SH_RELATIVE64); 3822 rel.r_addend = (h->root.u.def.value 3823 + h->root.u.def.section->output_section->vma 3824 + h->root.u.def.section->output_offset); 3825 } 3826 else 3827 { 3828 bfd_put_64 (output_bfd, (bfd_vma) 0, sgot->contents + h->got.offset); 3829 rel.r_info = ELF64_R_INFO (h->dynindx, R_SH_GLOB_DAT64); 3830 rel.r_addend = 0; 3831 } 3832 3833 loc = srel->contents; 3834 loc += srel->reloc_count++ * sizeof (Elf64_External_Rela); 3835 bfd_elf64_swap_reloca_out (output_bfd, &rel, loc); 3836 } 3837 3838 if (h->needs_copy) 3839 { 3840 asection *s; 3841 Elf_Internal_Rela rel; 3842 bfd_byte *loc; 3843 3844 /* This symbol needs a copy reloc. Set it up. */ 3845 3846 BFD_ASSERT (h->dynindx != -1 3847 && (h->root.type == bfd_link_hash_defined 3848 || h->root.type == bfd_link_hash_defweak)); 3849 3850 s = bfd_get_section_by_name (h->root.u.def.section->owner, 3851 ".rela.bss"); 3852 BFD_ASSERT (s != NULL); 3853 3854 rel.r_offset = (h->root.u.def.value 3855 + h->root.u.def.section->output_section->vma 3856 + h->root.u.def.section->output_offset); 3857 rel.r_info = ELF64_R_INFO (h->dynindx, R_SH_COPY64); 3858 rel.r_addend = 0; 3859 loc = s->contents; 3860 loc += s->reloc_count++ * sizeof (Elf64_External_Rela); 3861 bfd_elf64_swap_reloca_out (output_bfd, &rel, loc); 3862 } 3863 3864 /* Mark _DYNAMIC and _GLOBAL_OFFSET_TABLE_ as absolute. */ 3865 if (strcmp (h->root.root.string, "_DYNAMIC") == 0 3866 || h == elf_hash_table (info)->hgot) 3867 sym->st_shndx = SHN_ABS; 3868 3869 return TRUE; 3870} 3871 3872/* Finish up the dynamic sections. */ 3873 3874static bfd_boolean 3875sh64_elf64_finish_dynamic_sections (bfd *output_bfd, 3876 struct bfd_link_info *info) 3877{ 3878 bfd *dynobj; 3879 asection *sgot; 3880 asection *sdyn; 3881 3882 dynobj = elf_hash_table (info)->dynobj; 3883 3884 sgot = bfd_get_section_by_name (dynobj, ".got.plt"); 3885 BFD_ASSERT (sgot != NULL); 3886 sdyn = bfd_get_section_by_name (dynobj, ".dynamic"); 3887 3888 if (elf_hash_table (info)->dynamic_sections_created) 3889 { 3890 asection *splt; 3891 Elf64_External_Dyn *dyncon, *dynconend; 3892 3893 BFD_ASSERT (sdyn != NULL); 3894 3895 dyncon = (Elf64_External_Dyn *) sdyn->contents; 3896 dynconend = (Elf64_External_Dyn *) (sdyn->contents + sdyn->size); 3897 for (; dyncon < dynconend; dyncon++) 3898 { 3899 Elf_Internal_Dyn dyn; 3900 const char *name; 3901 asection *s; 3902 struct elf_link_hash_entry *h; 3903 3904 bfd_elf64_swap_dyn_in (dynobj, dyncon, &dyn); 3905 3906 switch (dyn.d_tag) 3907 { 3908 default: 3909 break; 3910 3911 case DT_INIT: 3912 name = info->init_function; 3913 goto get_sym; 3914 3915 case DT_FINI: 3916 name = info->fini_function; 3917 get_sym: 3918 if (dyn.d_un.d_val != 0) 3919 { 3920 h = elf_link_hash_lookup (elf_hash_table (info), name, 3921 FALSE, FALSE, TRUE); 3922 if (h != NULL && (h->other & STO_SH5_ISA32)) 3923 { 3924 dyn.d_un.d_val |= 1; 3925 bfd_elf64_swap_dyn_out (output_bfd, &dyn, dyncon); 3926 } 3927 } 3928 break; 3929 3930 case DT_PLTGOT: 3931 name = ".got"; 3932 goto get_vma; 3933 3934 case DT_JMPREL: 3935 name = ".rela.plt"; 3936 get_vma: 3937 s = bfd_get_section_by_name (output_bfd, name); 3938 BFD_ASSERT (s != NULL); 3939 dyn.d_un.d_ptr = s->vma; 3940 bfd_elf64_swap_dyn_out (output_bfd, &dyn, dyncon); 3941 break; 3942 3943 case DT_PLTRELSZ: 3944 s = bfd_get_section_by_name (output_bfd, ".rela.plt"); 3945 BFD_ASSERT (s != NULL); 3946 dyn.d_un.d_val = s->size; 3947 bfd_elf64_swap_dyn_out (output_bfd, &dyn, dyncon); 3948 break; 3949 3950 case DT_RELASZ: 3951 /* My reading of the SVR4 ABI indicates that the 3952 procedure linkage table relocs (DT_JMPREL) should be 3953 included in the overall relocs (DT_RELA). This is 3954 what Solaris does. However, UnixWare can not handle 3955 that case. Therefore, we override the DT_RELASZ entry 3956 here to make it not include the JMPREL relocs. Since 3957 the linker script arranges for .rela.plt to follow all 3958 other relocation sections, we don't have to worry 3959 about changing the DT_RELA entry. */ 3960 s = bfd_get_section_by_name (output_bfd, ".rela.plt"); 3961 if (s != NULL) 3962 dyn.d_un.d_val -= s->size; 3963 bfd_elf64_swap_dyn_out (output_bfd, &dyn, dyncon); 3964 break; 3965 } 3966 } 3967 3968 /* Fill in the first entry in the procedure linkage table. */ 3969 splt = bfd_get_section_by_name (dynobj, ".plt"); 3970 if (splt && splt->size > 0) 3971 { 3972 if (info->shared) 3973 { 3974 if (elf_sh64_pic_plt_entry == NULL) 3975 { 3976 elf_sh64_pic_plt_entry = (bfd_big_endian (output_bfd) ? 3977 elf_sh64_pic_plt_entry_be : 3978 elf_sh64_pic_plt_entry_le); 3979 } 3980 memcpy (splt->contents, elf_sh64_pic_plt_entry, 3981 elf_sh64_sizeof_plt (info)); 3982 } 3983 else 3984 { 3985 if (elf_sh64_plt0_entry == NULL) 3986 { 3987 elf_sh64_plt0_entry = (bfd_big_endian (output_bfd) ? 3988 elf_sh64_plt0_entry_be : 3989 elf_sh64_plt0_entry_le); 3990 } 3991 memcpy (splt->contents, elf_sh64_plt0_entry, PLT_ENTRY_SIZE); 3992 movi_3shori_putval (output_bfd, 3993 sgot->output_section->vma 3994 + sgot->output_offset, 3995 splt->contents 3996 + elf_sh64_plt0_gotplt_offset (info)); 3997 } 3998 3999 /* UnixWare sets the entsize of .plt to 8, although that doesn't 4000 really seem like the right value. */ 4001 elf_section_data (splt->output_section)->this_hdr.sh_entsize = 8; 4002 } 4003 } 4004 4005 /* Fill in the first three entries in the global offset table. */ 4006 if (sgot->size > 0) 4007 { 4008 if (sdyn == NULL) 4009 bfd_put_64 (output_bfd, (bfd_vma) 0, sgot->contents); 4010 else 4011 bfd_put_64 (output_bfd, 4012 sdyn->output_section->vma + sdyn->output_offset, 4013 sgot->contents); 4014 bfd_put_64 (output_bfd, (bfd_vma) 0, sgot->contents + 8); 4015 bfd_put_64 (output_bfd, (bfd_vma) 0, sgot->contents + 16); 4016 } 4017 4018 elf_section_data (sgot->output_section)->this_hdr.sh_entsize = 8; 4019 4020 return TRUE; 4021} 4022 4023/* Merge non visibility st_other attribute when the symbol comes from 4024 a dynamic object. */ 4025static void 4026sh64_elf64_merge_symbol_attribute (struct elf_link_hash_entry *h, 4027 const Elf_Internal_Sym *isym, 4028 bfd_boolean definition, 4029 bfd_boolean dynamic ATTRIBUTE_UNUSED) 4030{ 4031 if ((isym->st_other & ~ELF_ST_VISIBILITY (-1)) != 0) 4032 { 4033 unsigned char other; 4034 4035 /* Take the balance of OTHER from the definition. */ 4036 other = (definition ? isym->st_other : h->other); 4037 other &= ~ ELF_ST_VISIBILITY (-1); 4038 h->other = other | ELF_ST_VISIBILITY (h->other); 4039 } 4040 4041 return; 4042} 4043 4044static const struct bfd_elf_special_section sh64_elf64_special_sections[]= 4045{ 4046 { STRING_COMMA_LEN (".cranges"), 0, SHT_PROGBITS, 0 }, 4047 { NULL, 0, 0, 0, 0 } 4048}; 4049 4050#define TARGET_BIG_SYM bfd_elf64_sh64_vec 4051#define TARGET_BIG_NAME "elf64-sh64" 4052#define TARGET_LITTLE_SYM bfd_elf64_sh64l_vec 4053#define TARGET_LITTLE_NAME "elf64-sh64l" 4054#define ELF_ARCH bfd_arch_sh 4055#define ELF_MACHINE_CODE EM_SH 4056#define ELF_MAXPAGESIZE 128 4057 4058#define elf_symbol_leading_char '_' 4059 4060#define bfd_elf64_bfd_reloc_type_lookup sh_elf64_reloc_type_lookup 4061#define bfd_elf64_bfd_reloc_name_lookup \ 4062 sh_elf64_reloc_name_lookup 4063#define elf_info_to_howto sh_elf64_info_to_howto 4064 4065/* Note: there's no relaxation at present. */ 4066 4067#define elf_backend_relocate_section sh_elf64_relocate_section 4068#define bfd_elf64_bfd_get_relocated_section_contents \ 4069 sh_elf64_get_relocated_section_contents 4070#define elf_backend_object_p sh_elf64_set_mach_from_flags 4071#define bfd_elf64_bfd_set_private_flags \ 4072 sh_elf64_set_private_flags 4073#define bfd_elf64_bfd_copy_private_bfd_data \ 4074 sh_elf64_copy_private_data 4075#define bfd_elf64_bfd_merge_private_bfd_data \ 4076 sh_elf64_merge_private_data 4077#define elf_backend_fake_sections sh64_elf64_fake_sections 4078 4079#define elf_backend_gc_mark_hook sh_elf64_gc_mark_hook 4080#define elf_backend_check_relocs sh_elf64_check_relocs 4081 4082#define elf_backend_can_gc_sections 1 4083 4084#define elf_backend_get_symbol_type sh64_elf64_get_symbol_type 4085 4086#define elf_backend_add_symbol_hook sh64_elf64_add_symbol_hook 4087 4088#define elf_backend_link_output_symbol_hook \ 4089 sh64_elf64_link_output_symbol_hook 4090 4091#define elf_backend_merge_symbol_attribute \ 4092 sh64_elf64_merge_symbol_attribute 4093 4094#define elf_backend_final_write_processing \ 4095 sh64_elf64_final_write_processing 4096 4097#define elf_backend_create_dynamic_sections \ 4098 sh64_elf64_create_dynamic_sections 4099#define bfd_elf64_bfd_link_hash_table_create \ 4100 sh64_elf64_link_hash_table_create 4101#define elf_backend_adjust_dynamic_symbol \ 4102 sh64_elf64_adjust_dynamic_symbol 4103#define elf_backend_size_dynamic_sections \ 4104 sh64_elf64_size_dynamic_sections 4105#define elf_backend_omit_section_dynsym \ 4106 ((bfd_boolean (*) (bfd *, struct bfd_link_info *, asection *)) bfd_true) 4107#define elf_backend_finish_dynamic_symbol \ 4108 sh64_elf64_finish_dynamic_symbol 4109#define elf_backend_finish_dynamic_sections \ 4110 sh64_elf64_finish_dynamic_sections 4111#define elf_backend_special_sections sh64_elf64_special_sections 4112 4113#define elf_backend_want_got_plt 1 4114#define elf_backend_plt_readonly 1 4115#define elf_backend_want_plt_sym 0 4116#define elf_backend_got_header_size 24 4117 4118#include "elf64-target.h" 4119 4120/* NetBSD support. */ 4121#undef TARGET_BIG_SYM 4122#define TARGET_BIG_SYM bfd_elf64_sh64nbsd_vec 4123#undef TARGET_BIG_NAME 4124#define TARGET_BIG_NAME "elf64-sh64-nbsd" 4125#undef TARGET_LITTLE_SYM 4126#define TARGET_LITTLE_SYM bfd_elf64_sh64lnbsd_vec 4127#undef TARGET_LITTLE_NAME 4128#define TARGET_LITTLE_NAME "elf64-sh64l-nbsd" 4129#undef ELF_MAXPAGESIZE 4130#define ELF_MAXPAGESIZE 0x10000 4131#undef elf_symbol_leading_char 4132#define elf_symbol_leading_char 0 4133 4134#define elf64_bed elf64_sh64_nbsd_bed 4135 4136#include "elf64-target.h" 4137 4138/* Linux support. */ 4139#undef TARGET_BIG_SYM 4140#define TARGET_BIG_SYM bfd_elf64_sh64blin_vec 4141#undef TARGET_BIG_NAME 4142#define TARGET_BIG_NAME "elf64-sh64big-linux" 4143#undef TARGET_LITTLE_SYM 4144#define TARGET_LITTLE_SYM bfd_elf64_sh64lin_vec 4145#undef TARGET_LITTLE_NAME 4146#define TARGET_LITTLE_NAME "elf64-sh64-linux" 4147#undef elf64_bed 4148#define elf64_bed elf64_sh64_linux_bed 4149 4150#include "elf64-target.h" 4151